Program: HathiTrust Digital Library
- Publisher: Technical Economics, inc
- Print ISSN: 0024-5844
- Electronic ISSN:
- OCLC Number: 8867284
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-2; v.3-4; v.5-6; v.5-7 no.21-33 1969-1971; v.7
|
committed to retain | 2011-08-18 | HTDL |
|