Program: HathiTrust Digital Library
- Publisher: Jet Propulsion Laboratory, California Institute of Technology
- Print ISSN: 0575-5832
- Electronic ISSN:
- OCLC Number: 2445081
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.6 1962; v.7-8 1963-1964
|
committed to retain | 2011-07-01 | HTDL |
|