Program: HathiTrust Digital Library
- Publisher: National Science Foundation [for sale by Supt. of Docs., Govt. Print. Off.]
- Print ISSN: 0161-0481
- Electronic ISSN:
- OCLC Number: 2588653
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1971; 1971-1972; 1972; 1974-1975; 1974-1976; 1976-1977
|
committed to retain | 2016-02-20 | HTDL |
|