Historical Session: The Contribution of Amateurs to Astronomy, Yesterday and Today
| Autor: | André Koeckelenbergh |
|---|---|
| Rok vydání: | 1988 |
| Zdroj: | International Astronomical Union Colloquium. 98:62-62 |
| ISSN: | 0252-9211 |
| DOI: | 10.1017/s0252921100092241 |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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