Annalen V.D. Bosscha-Sterrenwacht Lembang (Java): an attempt to determine photovisual magnitudes without a colour-filter and a study of the colours and the magnitudes of the stars in the galactic cluster messier 7 and its surroundings
| Main Author: | Wallenquist, Ake (-) |
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| Format: | |
| Bahasa: | eng |
| Terbitan: |
Bandoeng :
Drukkerij
, 1931
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| Subjects: | |
| Online Access: |
http://103.255.15.77/opac/detail-opac?id=307559 |