Program: HathiTrust Digital Library
- Publisher: Minor Planet Center, Smithsonian Astrophysical Observatory
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 32228760
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1972; 1975; 1979; 1982; 1986; 1989; 1992-1994; 1996
|
committed to retain | 2010-02-20 | HTDL |
|