Milcho Tsvetkov’s
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LIST OF THE PUBLICATIONS
Last update: January 14th , 2003
1. Malina Popova and Milcho Tsvetkov, 1973 , Izvestia na Sektsiata po astronomia, Bulgarska Akademia na naukite, v.6, 31-46, (On the Stellar Photometry of the Palomar Observatory Sky Survey)
2. Malina Popova and Milcho Tsvetkov, 1973, Izvestia na Sektsiata po astronomia, Bulgarska Akademia na naukite, v.6, 47-60, (Structure of the Nucleus of the Open Cluster NGC 1245)
3. L.K. Erastova and M. K. Tsvetkov , 1974, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 909, (Flare Stars in the Region of NGC 7000 Nebula)
4. M.K. Tsvetkov, H.S. Chavushian and K.P. Tsvetkova, 1974, Ibid., No. 938 , (Flare Stars in the NGC 7000 Region)
5. M.K. Tsvetkov, L.K. Erastova, K.P. Tsvetkova, 1975, Ibid., No. 1002, (Flare Stars in the region of NGC 7000. III.)
6. M.K. Tsvetkov, 1975, Astrofizika, v. 11, 579-583, (New Ha- emission Stars in the Region of Nebulae IC 5068-70 and NGC 7000)
7. M.K. Tsvetkov, 1976, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 1120, (Three-Color Photographic Photometry of V1057 Cygni)
8. M.K. Tsvetkov, 1976, PhD Thesis-Abstract, Yerevan University, (Investigation of the Nonstable Stars in the Region of the Nebulae NGC 7000 and IC 5068-70 in Cygnus Constellation)
9. M.K. Tsvetkov, 1977, Proceedings of the Symposium "Flare Stars" Ed. L.V. Mirzoyan, Yerevan, 78-86, (Flare Stars in the Region of NGC 7000 and IC 5068- 70)
10. L.V. Mirzoyan, H.S. Chavushian, L.K. Erastova, G.B. Oganian, N.D. Melikian, R.Sh. Natsvilshvili and M.K. Tsvetkov, 1977, Astrofizika, v. 13, 205-223, (Flare Stars in the Pleiades. V.)
11. L.K. Erastova and M.K. Tsvetkov, 1978, Variable Stars, v. 21, 79- 83, (New Variable Stars in the Wide Vicinity of NGC 7000)
12. M.K. Tsvetkov, 1978, Proceedings of the Symposium, "The Role of the Star Clusters in the Cosmogony and in the Study of Galactic Structure" in the Frame of Multilateral Collaboration of the Socialist Countries, Commission No. 6., Ed. B. Balazs, Budapest, 129-138, (Investigation of the Ha-emission Stars in the Region of T-association Cygnus T1)
13. M.K. Tsvetkov and K.P. Tsvetkova, 1978, Information Bulletin on Variable Stars, Commission 27 of the IAU., No. 1447, (New Ha-Emission Stars in the Region of NGC 7000)
14. I.Jankovics, K.P. Tsvetkova and M.K. Tsvetkov, 1978, Ibid., No. 1454, (New Flare Stars in the Praesepe Region)
15. I. Jankovics, M.K. Tsvetkov, K.P. Tsvetkova, 1978, Ibid., No. 1456, (Flare Stars Observations in the Pleiades Region)
16. N.D. Melikian, H.S. Chavushian and M.K. Tsvetkov, 1980, Ibid., No. 1470 (New Flare Stars in the NGC 7000 Region)
17. I. Jankovics, J. Kelemen, M.K. Tsvetkov, K.P. Tsvetkova, 1980, Ibid., No. 1746, (Flare Star Observations in the NGC 7000 and IC 5068-70 Region)
18. M.K. Tsvetkov, 1980, Proceedings of the Symposium "Flare Stars, Fuori and Herbig-Haro Objects", Ed. L.V. Mirzoyan, Yerevan, 19-22, (Flare Stars in Cygnus)
19. H.S. Chavushian, L.K. Erastova, H.D. Melikian, M.K. Tsvetkov, I. Jankovics, 1980, Bull. of the Byurakan Observatory, 52, 78-88, (The Two-Color Observations of Flare Stars in the Pleiades Aggregate)
20. M.K. Tsvetkov, S.A. Tsvetkov and Assya G. Tsvetkova, 1980, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 1749, (Flare Stars in the Pleiades Region)
21. N.D. Melikian, I. Jankovics, K.P. Tsvetkova, M.K. Tsvetkov, 1980, Ibid., No. 1750, (The First Flare Star in the Region Near Gamma Cygni)
22. I. Jankovics, N.D. Melikian and M.K. Tsvetkov, 1980, Ibid., No. 1779, (Three new Flare Stars)
23. I. Jancovics, J. Kelemen and M.K. Tsvetkov, 1980, Ibid., No. 1780, (Flare Star Observations in the Pleiades Region in 1979)
24. M.K. Tsvetkov, S.A. Tsvetkov and A.G.Tsvetkova, 1980, Ibid., No.1888, (Flare Star in the Pleiades)
25. M.K. Tsvetkov, A.G. Tsvetkova and S.A. Tsvetkov, 1980, Ibid., No.1889, (Flare Stars in Orion)
26. M.K. Tsvetkov and L.K. Erastova, 1981, Astrophysical Investigations, Bulgarian Academy of Sciences, 3, 76-80, (Two-Color Parallel Observations of Flare Stars in the Cygnus Region)
27. M.K. Tsvetkov and K.P. Tsvetkova, 1981, Astrophysical Investigations, Bulgarian Academy of Sciences, 3, 81- 88, (UBV- Photographic Standards in the Nebula IC 5070 Region))
28. K.P. Panov, M.K. Tsvetkov, 1981, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 1971, (Photoelectric Observations of the Flare Star EV Lac in 1980)
29. K.P. Tsvetkova and M.K. Tsvetkov, 1981, Comptes Rendues de l'Academie Bulgare des Sciences, 34, 1197-1200, (Faint Blue Stars in the NGC 7000 - IC 5068-70 Region)
30. L.N. Mavridis, G.A. Asteriadis, K.P. Panov and M.K. Tsvetkov, 1981, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 2022, (Photoelectric Observations of the Flare Star EV Lac in 1980)
31. M.K. Tsvetkov and H.S. Chavushian, 1982, Ibid., No. 2067, (Flare Stars in the Pleiades)
32. M.K. Tsvetkov and A.G. Tsvetkova, 1982, Ibid., No.2132, (Flare Stars in Orion)
33. L.N. Mavridis, G.A. Asteriadis and M.K. Tsvetkov, 1982, Ibid., No. 2133, (Photoelectric Observations of the Flare Star EV Lac in 1981)
34. K.P. Tsvetkova and M.K. Tsvetkov, 1982, Ibid., No. 2134, (New Ha- Emission Stars in the Region of Gamma Cygni)
35. V.K. Golev, M.K. Tsvetkov and E.A. Vitrichenko, 1982, Comptes Rendues de l' Academie Bulgare des Sciences, 35, 729-732, (Hartmann Test of the 50/70 cm Schmidt Telescope of the National Astronomical Observatory)
36. M.K. Tsvetkov, K.P. Tsvetkova, A.G. Tsvetkova, S.A. Tsvetkov and H.S. Chavushian, 1982, Information Bulletin on Variable Stars Commission 27 of the IAU, No. 2224, (Flare Star in the Pleiades)
37. M.K. Tsvetkov, 1982, Communications from the Konkoly Observatory of the Hungarian Academy of Sciences, No. 83, 206, (Flare Star Search in the Period 1979-1982 )
38. M.K. Tsvetkov, K.P. Tsvetkova and A.G. Tsvetkova, 1983, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 2338 (Flare Stars in the Pleiades )
39. H.S. Chavushian, K.P. Tsvetkova and M.K. Tsvetkov, 1983, Ibid., No. 2339 (Flare Star Observations in the NGC 7000 and IC 5070)
40. M.K. Tsvetkov, L.N. Mavridis and G.A. Asteriadis, 1983, Ibid., No. 2340, (Photoelectric Observations of the Flare Star EV Lac in 1982)
41. M.K. Tsvetkov, L.N. Mavridis and G.A. Asteriadis, 1983, Ibid., No. 2437, (Photoelectric Observations of UV Ceti)
42. M.K. Tsvetkov and H.S. Markov, 1984, Comptes Rendus de l'Academie Bulgare des Sciences, 37, No. 1, 11, (The OMA System of the Rozhen National Observatory)
43. M.K. Tsvetkov, 1984, Proceedings of the Colloquium No. 78 of the IAU "Astronomy with Schmidt Type Telescopes", Ed. M. Capaccioli, 207,(The 50/70 cm Schmidt Telescope of the Bulgarian National Astronomical Observatory)
44. M.K. Tsvetkov, A.P. Antov, L.N. Mavridis and G.A. Asteriadis, 1984, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 2618, (Photoelectric Observations of AD Leonis)
45. B.Zh. Kovachev, M.K. Tsvetkov and V.I. Tsintsarov, 1984, Proceedings of the IAU Working Group on Photographic Problems, Edinburg, Ed. E. Sim and K. Ishida, 165, (Processing of the Photographic Observing Materials at the National Astronomical Observatory Rozhen)
46. M.K. Tsvetkov and E. Semkov, 1985,
Astrofizika, 22, 421-423, (The Ha-Emission Line Stars in the Region of the
Khavtasi 193 Dark Nebula)
47. M.K. Tsvetkov and B.R. Pettersen, 1985, Astronomy and Astrophysics, 150, 160, (The K2 Flaring Giant V654 Her)
48. B.R. Pettersen and M.K. Tsvetkov, 1985, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 2660, (Spectra of Flare Stars)
49. K.P. Tsvetkova, A.G. Tsvetkova and M.K. Tsvetkov, 1985, Ibid., No. 2730, (Flare Stars in the Pleiades)
50. M.K. Tsvetkov, 1985, "Fizika, Astronomia, Ideologia and Filosofia" Ed. K.B. Serafimov, 166-176, Publications of the Bulgarian Astronautical Society (The World Outlook and the Theory of the Stellar Evolution)
51. M. K. Tsvetkov and B.J. Kovachev, 1985, Communications of the Bulgarian Academy of Sciences, No. 3, 48-57, (Nonstable Stars and Their Investigation at the National Astronomical Observatory)
52. M.K. Tsvetkov, A.P. Antov and A.G. Tsvetkova, 1986, Communications from the Konkoly Observatory of the Hungarian Academy of Sciences, No. 86, 423-424, (Photoelectric Observations of the EV Lac in 1984: Fast Flare Activity?)
53. M.K. Tsvetkov, W.C. Seitter and H. Duerbeck, 1986, Ibid., 429-430, (Search for Flare Stars with the ESO GPO Astrograph in La Silla)
54. M.K. Tsvetkov, K.P. Tsvetkova and N.D. Melikian, 1986, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 2954, (Flare Observations of EV Lac)
55. M.K. Tsvetkov, A.P. Antov and A.G. Tsvetkova, 1986, Ibid., No. 2972, (Photoelectric Observations of Flare Star EV Lac in 1984)
56. E.H. Semkov and M.K. Tsvetkov, 1986, Publications of the Astronomy Department of the Eeutveus-Lorand University, No. 8, "Star Clusters and Associations", (Sofia, 1985), Budapest, Ed. L.Balazs, 141-145, (New Ha- emission Stars in the Regions of NGC 7129 and IC 5146 Nebulae)
57. L. Rosino, M.K. Tsvetkov and K.P. Tsvetkova, 1987, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 2981, (Search for Flare Stars in the NGC 7000 Region)
58. M.K. Tsvetkov, 1987, Communications of the Bulgarian Academy of Sciences, Sofia, No. 1, 25-32, (The Flare Stars and Some Problems of the Stellar Evolution)
59. M.K. Tsvetkov, Ts. Georgiev, A. Tsvetkova, B. Bilkina and E. Semkov, 1987, Comptes Rendus de l'Academie Bulgare des Sciences, 40, 9-12, (Photometrical UBVRI System of the 50/70 cm Schmidt Telescope of the National Astronomical Observatory Rozhen)
60. V. Tsintsarov, Ts. Georgiev, M.K. Tsvetkov, B. Zh. Kovachev and M. Panov, 1987, Astrophotography, Proceedings of the IAU Workshop, Jena, Ed. S. Marx, 42-46, (Hipersensitization of the Kodak IN Emulsions at the Rozhen National Astronomical Observatory)
61. M.K. Tsvetkov, K.Y. Stavrev and K.P. Tsvetkova, 1987, Bull. Inform. CDS, No. 33, 137-139, (Machine - Readable Version of the Tonantzintla Catalogue of the Pleiades Flare Stars)
62. M.K. Tsvetkov, B.R. Pettersen, S.L. Hawley, 1988, "Activity in the Cool Stars Envelopes", Troemso, 77-78, Eds. O. Havnes, B.R. Pettersen and E. Solheim, Kluwer Acad. Publishers, Dordrecht, (B19 a Flare Star in Front of the NGC 7000 Aggregate)
63. K.P. Tsvetkova and M.K. Tsvetkov, 1988, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 3189, (UBV Pohotographic Photometry of the Flare Stars around Gamma Cygni)
64. R. Konstantinova-Antova and M.K. Tsvetkov, 1988, Ibid. No. 3190, (Flare Stars Observations in Orion by the Method of the Photographic Stellar Tracks)
65. K.P. Tsvetkova and M.K. Tsvetkov, 1988, Ibid., No. 3991 (UBV Photographic Photometry of the Ha-Emission Stars around the Gamma Cygni)
66. R. Aniol, H.W. Duerbeck, W.C. Seitter and M.K. Tsvetkov, 1988, The ESO Messenger, 52, 39-41, (A Search for Flare Stars with the GPO Astrograph)
67. B.R. Pettersen, M.K. Tsvetkov, S.L. Hawly, L.A. Coleman and A.S. Amirchanian, 1988, Astrofizika, 29, 67-73, (V1589=B19 a Foreground dMe Flare Star in the Direction of NGC 7000)
68. M.K. Tsvetkov and B. Zh. Kovachev, 1989, Poster Papers Proceedings of the Colloquium No. 104 of the IAU "Solar and Stellar Flares", Stanford University (15-19 August 1988), California, Eds. B. Haisch and M. Rodono, Special Publ. Catania Obs., 151-154, (Flare Star Investigations at the Department of Astronomy and Rozhen National Astronomical Observatory)
69. M.K. Tsvetkov, K.Ya. Stavrev and K.P. Tsvetkova, 1988, Ibid., 147-150, (Analysis of the Machine-Readable Version of the Tonantzintla Catalogue of the Pleiades Flare Stars)
70. M.K. Tsvetkov, 1989, The ESO Messenger, 56, 34, (Another "Flashing" Object)
71. K.P. Tsvetkova, P.P. Petrov, M.K. Tsvetkov and R. Duemmler, 1989, Posters Abstracts of ESO Workshop "Low Mass Star Formation and Pre-Main Sequence Objects", Arching, Munched, July 11-13, 13, (V1751 Cyg and V1826 Cyg - Members of a Star Forming Complex)
72. K.P. Tsvetkova and M.K. Tsvetkov, 1989, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 3366 (Note on Cross-Identification of Flare Stars in the Pleiades)
73. R. Aniol, H. Duerbeck, W.C. Seitter and M.K. Tsvetkov, 1990, Proceedings of the Symposium No. 137 of the IAU "Flare Star in Clusters, Associations and Solar Vicinity", Eds. L.V. Mirzoyan, B.R. Pettersen and M.K. Tsvetkov, Kluwer Academic Publishers, Dordrecht, 85-94, (A Search for Flare Stars in Southern Stellar Aggregates of Different Ages)
74. M.K. Tsvetkov and K.P. Tsvetkova, 1990, Proceedings of the Symposium No. 137 of the IAU "Flare Stars in Clusters, Associations and Solar Vicinity", Eds. L.V. Mirzoyan, B.R. Pettersen and M.K. Tsvetkov, Kluwer Academic Publishers, Dordrecht, 105-108, (A Catalogue of Flare Stars in the Cygnus Region)
75. H. Duerbeck and M.K. Tsvetkov, 1990, Proceedings of the Symposium No. 137 of the IAU" Flare Star in Clusters, Associations and Solar Vicinity", Eds. L.V. Mirzoyan, B.R. Pettersen and M.K. Tsvetkov, Kluwer Academic Publishers, Dordrecht, 99-100, (NTT Spectra of the Flare Stars HM1 and HM2 in the R Coronae Austrinae Aggregate)
76. R.E. Gusher, I.V. Ilion, N.S. Nester, N.I. Shakhovskaya, R.G. Getov, M. Ivanova, K.P. Panov, M.K. Tsvetkov, A.G. Tsvetkova and G. Leto, 1990, Proceedings of the Symposium No. 137 of the IAU "Flare Star in Clusters, Associations and Solar Vicinity" , Eds. L.V. Mirzoyan, B.R. Pettersen and M.K. Tsvetkov, Kluwer Academic Publishers, Dordrecht, 99-100, (Photo- metrical, Spectral and Radio Monitoring of EV Lac in 1986 and 1987 )
77. L.V. Mirzoyan, B.R. Pettersen and M.K. Tsvetkov, 1990, Editors of the Proceedings of the Symposium No. 137 of the IAU "Flare Star in Clusters, Associations and Solar Vicinity ", held in Byurakan Astrophysical Observatory, Armenian Academy of Sciences, Armenian SSR (October 23-27, 1989), Kluwer Academic Publishers, Dordrecht (410 pages)
78. M.K. Tsvetkov, 1990, Information Bulletin on Variable Stars, Commission 27 of the IAU, No. 3482 (Flare Star Observations in the NGC 7000 - IC 5070 Region)
79. R.E. Gershberg, V.P. Grinin, I.V. Ilin, N.S. Nestorov, N.I. Shakhovskaya, R.G. Getov, M.S. Ivanova, K.P. Panov, M.K. Tsvetkov, A.G. Tsvetkova and G. Leto, 1991, Soviet AJ v. 68, No. 3, 548-564, (Flares on the Red Dwarf Star EV Lac in 1986 - 1987).
80. K.P. Tsvetkova, M.K. Tsvetkov and I. Jankovics, 1991, Preprint of the Astromical Institute of the Muenster University, Poster paper on the XXIst General Assembly of the IAU, Buenos Aires, (A Catalogue of Flare Stars in the Praesepe Region).
81. M.K. Tsvetkov, R. Aniol, H. Duerbeck, W.C. Seitter and K.P. Tsvetkova, 1992, Proceedings of the Meeting of the IAU Working Group on Astronomical Photography, ESO, Garching, 29-30 October 1990, Ed. J-L. Eeudier, Universite de Nice-Sophia-Antipolis (p. ) (An Automatic Reduction of GPO Monitoring Plates for Flare Star Search)
82. M.K. Tsvetkov, 1992, Newsletter No. 1 of the Working Group on Wide- field Imaging, Commission 9 of the IAU, p. 17, (Wide-field Plate Archives)
83. M.K. Tsvetkov, 1992, Newsletter No. 2 of the Working Group on Wide-field Imaging, Commission 9 of the IAU, p.51, (Wide-field Plate Archive Data Base)
84. M. Tsvetkov, K. Tsvetkova, 1993, IAU Commission 9 WG on WFI, Newsletter No. 3, p. 72, (News about the Wide-field Plate Archive Database)
85. M. Tsvetkov, M. Chukova, K. Tsvetkova, 1993, Ibid., Newsletter No. 3, p.80, (Flare Stars Database) 86. M.K. Tsvetkov, K.Y. Stavrev, K.P. Tsvetkova, P.V. Ivanov, M.S. Iliev, 1993, Ibid., Newsletter No. 4, p. 29, (The WG WFI Plate Database: Present Status)
86. M.K. Tsvetkov, K.P. Tsvetkova, M.V. Chukova, 1993, Ibid., Newsletter No. 4, p. 30, (Flare Stars Database) 88. E.H. Semkov, K.P. Tsvetkova, M.K. Tsvetkov, Ch. F. Prosser, 1993, Commission 27 of the IAU, Information Bulletin on Variable Stars, No. 3917 (Flare Star Search in the Alpha Persei Cluster)
87. N.D. Melikyan, M.K. Tsvetkov and R.A. Sarkisyan, 1994, Astrophysics, vol. 37, No.4, p. 312-316 (Simultaneous photoelectric and spectral observations of the star EV LAC)
88. E.H. Semkov, K.P. Tsvetkova, M.K. Tsvetkov, Ch. F. Prosser, 1993, Commission 27 of the IAU, Information Bulletin on Variable Stars, No. 3917 (Flare Star Search in the Alpha Persei Cluster)
89. M.K. Tsvetkov, K.Y. Stavrev, K.P. Tsvetkova, P.V. Ivanov, M.S. Iliev, 1994, Proceedings of the IAU Symposium 161, Eds. H.T. MacGillivray, E.B. Thomson, B.M. Lasker, I.N. Reid, D.F. Malin, R.M. West and H. Lorenz, p. 359, (The WG WFI Plate Database (WFPDB): Present Status)
90. M. Tsvetkov, M. Chukova, K. Tsvetkova, 1994, Proceedings of the IAU Symposium 161, Eds. H.T. MacGillivray, E.B. Thomson, B.M. Lasker, I.N. Reid, D.F. Malin, R.M. West and H. Lorenz, p. 380, (Flare Stars Database)
91. M.K. Tsvetkov, K.Y. Stavrev, K.P. Tsvetkova, A.S. Mutafov, 1994, IAU Commission 9 Working Group on Wide Field Imaging, Newsletter No. 5, p. 47, (News about the Wide-field Plate Database)
92. P. Delchev and M. Tsvetkov, 1995, Robotic Observatories, Ed. M. Bode, John Wiley-Praxis Series in Astronomy and Astrophysics, Wiley& Sons, p. 89, (Development of an academic network for astronomical use in Bulgaria)
93. M.K. Tsvetkov, K.Y. Stavrev, K.P. Tsvetkova, A.S. Mutafov, M.-E.S. Michailov, 1995, ASP Conf. Series, v. 84, Proceedings of the IAU Colloquium 148 "Future Utilization of Schmidt Telescopes", 7-11 March 1994, Bandung, Indonesia, Eds. J. Chapman, R. Cannon, S. Harrison and B. Hidayat, p.148, (Schmidt Telescope Plate Archives)
94. M.K. Tsvetkov, K.Y. Stavrev, K.P. Tsvetkova, A.S. Mutafov, 1995, Lecture Notes in physics: v. 454, Proceedings of the IAU Colloquium 151 "Flares and Flashes", 9-11 December 1994, Sonnegebrg, Germany, Eds. J. Greiner, H.W. Duerbeck R.E. Gershberg, Springer Verlag, Berlin, p.412, (Wide-Field Plate Database - Progress Report)
95. K.P. Tsvetkova, M.K. Tsvetkov and K.Y. Stavrev, 1995, Lecture Notes in physics: v. 454, Proceedings of the IAU Colloquium 151 "Flares and Flashes", 9-11 December 1994, Sonnegebrg, Germany, Eds. J. Greiner, H.W. Duerbeck R.E. Gershberg, Shpringer Verlag, Berlin, p. 121, (Flare Stars Database - Present Status)
96. K.P. Tsvetkova, M.K. Tsvetkov and K.Y. Stavrev, 1995, Proceedings of the IAU Symposium 164 "Stellar Populations" Eds. P.C. van der Kruit and G. Gilmore, Kluwer, p. 360 (Flare Star Database II.)
97. J. Winterberg, M. Nolte, W. Seiter, H.W. Duerbeck, M. K. Tsvetkov and K.P. Tsvetkova, 1995, Lecture Notes in physics: v. 454, Proceedings of the IAU Colloquium 151 "Flares and Flashes", 9-11 December 1994, Sonnegebrg, Germany, Eds. J. Greiner, H.W. Duerbeck R.E. Gershberg, Shpringer Verlag, Berlin, p. 119, (Automated Search for flare Stars Continued)
98. A. S. Mutafov, A.I. Makariava, M.K. Tsvetkov, K.P. Tsvetkova, R. Hudec and K. Hurley, 1995, JENAM'95, Progress in European Astrophysics, September 25-29, Catania Astrophysical Observatory, Spetsial Publication, Abstracts, p. 54, (EON-European Observation Network: Ground based Support for Gamma Ray Satellites)
99. A. S. Mutafov, A.I. Makariava, M.K. Tsvetkov, K.P. Tsvetkova, R. Hudec and K. Hurley, 1995, JENAM'95, Progress in European Astrophysics, September 25-29, Catania Astrophysical Observatory, Spetsial Publication, Abstracts, p. 267, (GRB Optical Search in the Wide-field Plate Database and in the Flare Star Database)
100. M.K. Tsvetkov, K.Y. Stavrev, K.P. Tsvetkova, A.S. Mutafov, 1995, IAU Commission 9 Working Group on Wide-Field Imaging, Newsletter No. 8, p. 5, (Recent Development of the Wide-Field Plate Database)
101. M.K. Tsvetkov, K.Y. Stavrev, K.P. Tsvetkova, A.S. Mutafov, 1995, Proceeding of the 2hd Astronomical Conference of the Hellenic Astronomical Society, Thessaloniki, Eds. L.N. Mavridis and J. Seiradakis, (abstract), p. (Wide-Field Plate Database - New Prospects for Astronomical Archives)
102. K.P. Tsvetkova, M.K. Tsvetkov, K.Y. Stavrev, 1995, Proceeding of the 2hd Astronomical Conference of the Hellenic Astronomical Society, Thessaloniki, Ed. L.N. Mavridis and J. Seiradakis, (abstract), p. (Development of the Flare Star database)
103. A.S. Mutafov, A.I. Makariava, M.K. Tsvetkov, K.P. Tsvetkova, R. Hudec and K. Hurley, 1996, Proceedings of the 3rd Huntsville Symposium on Gamma Ray Bursts, 25-27 October,1995, Huntsville, USA, p. 690, (GRB Optical Search in the Wide-field Plate Database and in the Flare Star Database)
104. Tsvetkov, M., Semkov, E., Tsvetkova, K., Hambaryan, V.,1996, IBVS, No. 4328, (Observations of the Flare Star V1929 Cygni)
105. Tsvetkov, M.K., Stavrev, K.Y., Tsvetkova, K.P., Mutafov, A.S., 1996, IAU Commission 9 Working Group on Wide Field Imaging, Newsletter No. 8, p. 5, (Recent Development of the Wide-Field Plate Database).
106. Tsvetkov, M.K., Stavrev, K.Y., Tsvetkova, K.P., Semkov, E.H., and Mutafov, A.S., 1996, Wide-Field Spectroscopy, Proceedings of the 2nd Conference of the Working Group of IAU Commission 9 on "Wide-Field Imaging" held in Athens, Greece, May 20-25, 1996, edited by E. Kontizas, M. Kontizas, D.H. Morgan, and G.P. Vettolani, Publisher: Dordrecht: Kluwer Academic Publishers, 1997, Astrophysics and Space Science Library, v. 212, ISBN: 0792345185, p.87, (The Spectroscopic Plate Archives in the Wide-Field Plate Database).
107. Tsvetkov, M.K., Stavrev, K.Y., Tsvetkova, K.P., Mutafov, A., Semkov E., 1997, VizieR On-line Data Catalog: VI/90. Originally published in: Institute of Astronomy, Bulgarian Academy of Sciences, SIMBAD, 1997, Cat.60900T, 05/1997, http://vizier.u-strasbg.fr/cats/VI.htx (Wide-Field Plate Database)
108. Tsvetkov, M.K., Stavrev, K.Y., Tsvetkova, K.P., Mutafov, A., 1997, Proceedings of the 2nd Astronomical Conference of the Hellenic Astronomical Society, Thessaloniki, ed. L.N. Mavridis, (abstract), (Wide-field Plate Database - New Prospects for Astronomical Archives)
109. Tsvetkov, M.K., Iliev, K., Loukarski, H., Dimitrov, N., Fotev, S., Semkov, E.H., Mutafov, A.S., 1997, Baltic Astronomy, (abstract) (Portable Precise Scanner (PPS) for Digitization of Wide-Field Plate Archives)
110. Tsvetkov, M.K., Stavrev, K.Y., Tsvetkova, K.P., Semkov, E.H., Mutafov, A.S., and Michailov, M.-E., 1997, Baltic Astronomy, p. 271-274, (The Wide-Field Plate Database: Present Status and Future Development)
111. Tsvetkov, M.K., Stavrev, K.Y., Tsvetkova, K.P., Semkov, E.H., Mutafov, A.S., and Michailov, M.-E., 1998, Proc. of the IAU Symp. 179 "New Horizons from Multi wavelength Sky Surveys", 26-30 August 1996, Baltimore, MD, Ed. B. McLean, Kluwer, p.462, (The Wide-Field Plate Database - A New Tool in Observational Astronomy)
112. E.H. Semkov, K.P. Tsvetkova, M.K. Tsvetkov, Ch. F. Prosser, 1998, Commission 27 of the IAU, Information Bulletin on Variable Stars, No. 4600 (Flare Star Search in the Alpha Persei Cluster II.)
113. Tsvetkov, M.K., Stavrev, K.Y., Tsvetkova, K.P., Mutafov, A.S, Semkov, E.H., Borisova, A.P., 1998, IAU Commission 9 Working Group on Sky Surveys, Newsletter No. 10, Eds. ,Eds. G.M. Richter. K. Fritze, P. Boehm., M. Tsvetkov and K.Tsvetkova, p.10 (The Wide-Field Plate Database: New Development and Applications).
114. Richter G.M, Fritze K., Boehm P., Tsvetkov M. and Tsvetkova K., - Editors, 1998, IAU Commission 9 Working Group on Sky Surveys Newsletter No. 10.
115. Tsvetkov, M.K., Stavrev, K.Y., Tsvetkova, K.P., Semkov, E.H., Mutafov, A.S, Borisova, A.P., 1999, Publ. Astron. Obs. Belgrade No.64, p.11-14, (The Database of Wide-Field Photographic Astronomical Observations)
116. Dimitrijevic M. S., Popovic L. C. and Tsvetkov M. Editors, 1999, (Proceedings of the First Bulgarian-Yugoslav Astronomical Meeting, August 5-8, 1998, Belogradchik, Bulgaria, p. 124, Publications of the Astronomical Observatory of Belgrade, v. 64, YU ISSN 0373-3742.
117. M. Tsvetkov, K. Tsvetkova, G. Richter, G. Scholz and P. Boehm, 1999, Treasure-Hunting in Astronomical Plate Archives (THAPA), Proceedings of the International Workshop, Sonneberg, March 4-6, 1999, Eds. P.Kroll, C. la Dous, H.-J. Braeuer, p. 77-80, (Lohse's historic plate archive).
118. M. Tsvetkov, K. Tsvetkova, G. Richter, G. Scholz and P. Boehm, 1999, Astron. Nachr. v. 320, No.2, 63-70, (The Lohse's Historic Plate Archive).
119. M. Tsvetkov, K.Tsvetkova, 1999, Treasure-Hunting in Astronomical Plate Archives (THAPA), Proceedings of the International Workshop, Sonneberg, March 4-6, 1999, Eds. P.Kroll, C. la Dous, H.-J. Braeuer, p.88-90, (The Wide-Field Plate Database: database and web-based search).
120. Richter G.M, Fritze K., Boehm P., Tsvetkov M. and Tsvetkova K., - Editors, 1999, IAU Commission 9 Working Group on Sky Surveys Newsletter No. 11.
121. M. Tsvetkov, H. Loukarski, R. Budell and K. Tsvetkova, 1999, Proceedings of the 6-th National Conference of the Problems on Solar-Earth Connections of the Bulgarian Academy of Sciences, Sofia, November 18-20, 1999, Ed. Dimitar Mishev, p.61-64, (The PDS Microdensitometer of the Sofia Sky Archive Data Center).
122. Y. J. Schopov, St. Belchev, St. Stoev, D. Kokotanekov, J. Kokotanekova, A. Stoev, D.A. Stoikova, A.J. Tanev, D.H.Petrov, K.I. Burin, T. Jalamov, I. Momcheva, L. Vrigazov, A. Krumov, V. Rusanov, D. Ivanov, M. Tsvetkov, H. Loukarski, L. Ivanova, A. Paneva, Ts. Ostromski, P. Delchev, 1999, Proceedings of the 6-th National Conference of the Problems on Solar-Earth Connections of the Bulgarian Academy of Sciences, Sofia, November 18-20, 1999, Ed. Dimitar Mishev, p.26-28, (Correlated observations with photo registration of the national program for investigation of the Total Solar Eclipse on 11 August 1999).
123. Tsvetkov M. K., Stavinschi M., Tsvetkova K. P., Stavrev K Y., Lukarski H.D., Christov S. T., Popov V. N., Semkov E.N., Proceedings of the JENAM,2000 Moscow, May 29th - June 3rd, 2000, Baltic Astronomy, 9, 613-617, (The Wide-Field Plate Database: Towards an European Plate Center)
124. Tsvetkov M. K., Stavinschi M., Tsvetkova K. P., Stavrev K Y., Bocsa G. and Cristescu C., Proceedings of the JENAM, 2000 Moscow, May 29th- June 3rd, 2000, Baltic Astronomy, 9, 573-577 (The Wide-Field Plate Database: The Bucharest Plate Archive)
125 . Dimitrijevic M. S., Popovic L. C. and Tsvetkov M.K. Editors, 1999, Proceedings of the Second Bulgarian - Serbian Astronomical Meeting, June 23-26, 2000, Zajecar, Serbia, p. 140, Publications of the Astronomical Observatory of Belgrade, v. 67, YU ISSN 0373-3742.
126.Tsvetkov M., Tsvetkova K., Stavrev K., Popov V., 2000, Publ. Astron. Obs. Beograd, (abstract) v. 67, 123-128 (The Wide- Field Plate Archive in Europe).
127. Borisov G., Bonev T., and Tsvetkov M., 2000, The Leonid MAC Workshop, March 15, 2000, Eds. Peter Jenniskens, Meteoritics & Planetary Science, p.E4 (A Leonid Meteor Spectrum Obtained During the 1999 Campaign).
128. Hristov D. K., M. K. Tsvetkov, V.E. Todorov, K. P. Tsvetkova, A.G. Manev, M. I. Donev, L. A. Dashovska, S. D. Stoianova, F. Diacu, M. Stavinschi, V. Mioc, D. P. Parvanova, G. M. Desimirov, R. S. Radkov, T. I. Fizieva, T. I. Davidova, I.L. Davidov, N.H. Mollova-Ganova, E. Dobreva, E. S. Brankova, V. Teneva, S. B. Zlateva, T. M. Buzova, M. N. Apostolava, H. Dareva, 2000, (The Bulgarian Physicist- Theorist Georgi Manev (1884-1965) Rediscovery after Oblivion, Physics on Stage, Sofia, September 2000).
129. Semkov E. H., Tsvetkova K. P., Tsvetkov M. K., 2000, Astronomische Nachrichten, v. 321, 3, 161 (Flare Star Activity in the Open Cluster Alpha Persei).
130. Brosh N., Hudec R., Kroll P., Tsvetkov M., 2000, Proceedings of the Colloquium New Era of the Wide-Field Astronomy, August 21-25, Preston, England, (in print), (Saving the Astronomical Treasures).
131. Tsvetkov M., Tsvetkova K., Stavrev K., Borisov G., Kalaglarski D., 2000, Proceedings of the Colloquium New Era of the Wide-Field Astronomy, August 21-25, Preston, England, (in print), (Wide-Field Plate Database: History, Search and New Futures).
132. Shopov Y. Y., Tsankov L. T., Belchev St., Rusanov V., Ivanov D., Stoev A., Stoev St., Petrov D. H., Savcheva A., Vrigazov L., Kokotanekov D., Kokotanekova Y., Tsvetkov M., Lukarski Hr., Nikolov A., Deltchev P., 2000, Proceedings of the Conference "First Results of 1999 Total Solar Eclipse Observations, 11-15 September, 2000, Ed. D. Mishev, (in print), (Registration of the Remote Eclipse Solar Corona in Infrared Light).
133. Shopov Y. Y., L. Tsankov, D. Stoykova, St. Belchev, St. Stoev, A. Tanev, D. H. Petrov, D. Ivanov, Kl. Burin, V. Rusanov, T. Yalamov, P. Delchev, Ts. Ostromsky, L. Vrigazov, A. Stoev, P. Muglova, J. Kokotanekova, D. Kokotanekov, Yu. Varbanova, I. Getsova, A. Krumov, M. Tsvetkov, Ch. Loukarski, 2000, Proceedings of the Conference "First Results of 1999 Total Solar Eclipse Observations, 11-15 September, 2000, Ed. D. Mishev, (in print) (Results of Photometric Observations in the Frame of the National Programme for Research During the 1999 Total Solar Eclipse in Bulgaria).
134. Prugniel P., Otriz P.F., Binette L., Busarello G., Golev V., Joguet B., Merluzzi P., Paturel G., Theureau G., Tsvetkov M., Verkhodanov O., Zasov A. , 2000, Mining the Sky", Proc. PA/ESO/MPE Workshop Held in Garching, Germany, Jul 31 - Aug 4,2000, A.J.Banday, S.Zaroubi, M.Bartelmann (Eds.), ESO Astrophysics Symposia, Proceedings, 2000. XV, pp. 683-685,Springer-Verlag 2001, ISBN 3-540-42468-7 (HYPERLEDA: a Tool for Studing Galaxies).
135. Antov Alexander, Renada Konstantinova-Antova, Rumen Bogdanovski and Milcho Tsvetkov - Editors, 2001, Proceedings of the Balkan Meeting of Young Astronomers, 25-29 September, (2000) Belogradchik, Bulgaria, p. 246, Institute of Astronomy, Belogradchik Observatory, ISBN 9549013324.
136. Tsvetkov Milcho, 2001, Proceedings of the Balkan Meeting of Young Astronomers, 25-29 September, (2000) Belogradchik, Bulgaria, Eds. Alexander Antov, Renada Konstantinova-Antova, Rumen Bogdanovski and Milcho Tsvetkov, p. 62-68, (Professor Georgi Manev the Unknown Bulgarian Physicist).
137. Borisov Galin, Tanyu Bonev, Milcho Tsvetkov, 2001, Proceedings of the Balkan Meeting of Young Astronomers, 25-29 September, (2000) Belogradchik, Bulgaria, Eds. Alexander Antov, Renada Konstantinova-Antova, Rumen Bogdanovski and Milcho Tsvetkov, p. 173-177, (A Leonid Meteor Spectrum Obtained During the 1999 Campaign).
138. De Cuyper, J.-P., Elst E., Hensberge H., Lampens P., Pauwels T., van Dessel E., Brosch N., Hudec R., Kroll P., Tsvetkov M., 2001, Astronomical Data Analysis Software and Systems X, ASP Conference, Proceedings, v. 238. Edited by F. R. Harnden, Jr., Francis A. Primini, and Harry E. Payne, San Francisco: Astronomical Society of the Pacific, ISSN: 1080-7926, 2001., p.125 (The Uccle Direct Astronomical Plate Archive Centre (UDAPAC) -A New International Facility for Inherited Observations).
139. Borisova A.P., Tsvetkov M.K., Tsvetkova
K.P., Hambly N., Kalaglarsky D. G., 2002, Publ. Astron. Obs. Belgrade, 2002POBeo..73...81B
140. Borisova A.P., Tsvetkov M.K., Tsvetkova K.P., Hambly N., Kalaglarsky D.G., Richter G.M., Boehem P., Kelemen J., Fresneau A., Argyle R.W., 2002, Astronomical and Astrophysical Transactions, Vol. 22, Nos.4-5, August-October 2003,pp.487-494 ,(Usage of the Photographic Plate Archive for Studying the Pleiades Flare Star Long-Term Behavior).
141.Golev, V.; Tsvetkov, M.; Murtagh, F.; Egret, D.; Longo, G.; di Gesu, V.; Allen, G.; Holl, A.; Shearer, A.; Golden, A.; and 9 coauthors,2002, No. 73, p. 37 - 48 (2002). In: Proceedings of the Third Bulgarian-Serbian Astronomical Meeting, May 13-15, 2002, Gjolechitsa, Bulgaria, (ISSN 0373-3742), ( European collaboration towards the Astronomical DataGrid ).
142. Barbieri, Cesare; Blanco, Carlo; Bucciarelli, Beatrice; Coluzzi, Regina; Di Paola, Andrea; Lanteri, Luciano; Luca Li Causi, Gian; Marilli, Ettore; Massimino, Piero; Mezzalira, Vincenzo, Tsvetkov Milcho; and 8 coauthors, 2003, 2003ExA....15...29B
143. Murtagh, F.; Egret, D.; Longo, G.; di Gesu, V.; Allen, G.; Nunez, J.; Molina, R.; Llorente, I.; Shearer, A.; Golden, A. Tsvetkov M.; and 7 coauthors 2004, 2004tivo.conf..296M
144. Bucciarelli, B.; Coluzzi, R.; Di Paola, A.; Lanteri, L.; Li Causi, G.; Marilli, E.; Massimino, P.; Mottola, S, Tsvetkov, M. and 8 coauthors 2004, 2004BaltA..13..665B
145. Innis, J. L.; Borisova, A. P.; Coates, D. W.; Tsvetkov, M. K. 2004, 2004MNRAS.355..591I (Archival light curves from the Bamberg Sky Patrol: CF Octantis, 1964-76)).
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Created: August, 1996
Last update: December 2001