Persistent URL of this record https://hdl.handle.net/1887/5850
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Photographic measures of double stars on plates taken, mainly by W. H. van den Bos, with the 67-cm visual refractor of the Union Observatory at Johannesburg, collected by -
- All authors
- Hertzsprung, E.
- Date
- 1942
- Volume
- 9
- Pages
- 311
- Publisher
- North Holland Publishing Company