Program: HathiTrust Digital Library
- Publisher: National Science Foundation; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
- Print ISSN: 0146-6968
- Electronic ISSN: 0146-6968
- OCLC Number: 2736744
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1957-1976; 1975/1976
|
committed to retain | 2013-10-30 | HTDL |
|