Program: HathiTrust Digital Library
- Publisher: National Academy of Sciences-National Research Council
- Print ISSN: 0435-3935
- Electronic ISSN:
- OCLC Number: 933844
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1 1953; v.2 1954; v.3 1955; v.4 1956; v.5 1957; v.6 1958
|
committed to retain | 2012-09-06 | HTDL |
|