Program: HathiTrust Digital Library
- Publisher: Scientific and Technical Information Office, National Aeronautics and Space Administration ; Available from National Technical Information Service
- Print ISSN: 0091-0384
- Electronic ISSN:
- OCLC Number: 1785525
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1972JY SEC.1; 1972JA SEC.1; 1972JA SEC.2; no.38-43 1991-1993; no.45 1994; v.32:SEC.1; v.33
|
committed to retain | 2012-09-08 | HTDL |
|