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Astronomy in Bulgaria
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Institute of Astronomy
and NAO, Bulgarian Academy of Sciences |
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Rozhen National Astronomical Observatory, BAS |
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Belogradchik Astronomical Observatory,
BAS
Department of Astronomy,
University of Sofia
Astronomical Observatory,
University of Sofia
Shumen Astronomical
Observatory, University of Shumen
Astronomical
Center, University of Shumen
Department of Physics and Astronomy, University of Shumen
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Bulgarian Astronomical Journal |
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Astronomical Calendar
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Astronomical
Calendar, Institute of Astronomy and NAO, BAS
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