Persistent URL of this record https://hdl.handle.net/1887/5844
Documents
-
- Download
- Article / Letter to editor
- open access
In Collections
This item can be found in the following collections:
Discussion of C. J. Kooreman's photographic measures of WW Puppis
- All authors
- Hertzsprung, E.
- Date
- 1942
- Volume
- 9
- Pages
- 279
- Publisher
- North Holland Publishing Company