Program: HathiTrust Digital Library
- Publisher: Warner and Swasey Observatory, Case Western Reserve University
- Print ISSN: 0160-2500
- Electronic ISSN:
- OCLC Number: 1639062
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1 1971-1973; v.1 1973; v.2 1975-1980; v.2 1980; v.3 no.2 1989
|
committed to retain | 2011-01-22 | HTDL |
|