The archive of the amateur observation network of the international Halley Watch /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Pasadena, California :
Jet Propulsion Laboratory, California Institute of Technology,
1996.
|
| Series: | JPL Publication 96-3 ;
v. 2) |
| Subjects: |