Program: HathiTrust Digital Library
- Publisher: National Academy of Sciences, National Research Council
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 7199013
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1959/1960; 1961/1962-1963/1964; 1965/1966-1967/1968
|
committed to retain | 2011-04-11 | HTDL |
|