Persistent URL of this record https://hdl.handle.net/1887/6125
Documents
-
- Download
- Article / Letter to editor
- open access
In Collections
This item can be found in the following collections:
Observations of comets and minor planets
- All authors
- Pels, G.
- Date
- 1950
- Volume
- 11
- Pages
- 225
- Publisher
- North Holland Publishing Company