Program: HathiTrust Digital Library
- Publisher: Air Defense Command
- Print ISSN: 0568-3769
- Electronic ISSN: 0568-3769
- OCLC Number: 2319744
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.2; v.3; v.4; v.5; v.6; v.7
|
committed to retain | 2014-09-16 | HTDL |
|