Persistent URL of this record https://hdl.handle.net/1887/6055
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- Download
- Article / Letter to editor
- open access
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This item can be found in the following collections:
Photographic observations and period of RZ Tauri
- All authors
- Oosterhoff, P.T.
- Date
- 1930
- Volume
- 5
- Pages
- 195
- Publisher
- North Holland Publishing Company