Bulletin astronomique - Observatoire royal de Belgique.
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| Corporate Author: | |
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| Format: | Journal |
| Language: | French |
| Published: |
Gembloux :
Imprimerie J. Duculot,
1931-
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| Subjects: |
| Published: | v. 1- [juin?] 1931- |
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| Physical Description: | volume : illustrations ; 30 cm. Also issued online. |