Program: HathiTrust Digital Library
- Publisher: The Observatory
- Print ISSN: 0309-099X
- Electronic ISSN:
- OCLC Number: 4953623
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-7 1976-1981 + Plates; no.8-10 1982-1983; no.11-13 1983-1984; no.14-16 1984-1985
|
committed to retain | 2010-02-20 | HTDL |
|