Program: HathiTrust Digital Library
- Publisher: National Academy of Sciences
- Print ISSN: 0160-4597
- Electronic ISSN:
- OCLC Number: 3688602
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1977; 1980-1981; 1973-82; 1985-1986
|
committed to retain | 2019-11-28 | HTDL |
|