Program: HathiTrust Digital Library
- Publisher: [Kitt Peak National Observatory]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 4482593
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
Jul-Sep 1978
|
committed to retain | 2011-03-10 | HTDL |
|