Program: HathiTrust Digital Library
- Publisher: Technical Information Co.
- Print ISSN: 0010-4469
- Electronic ISSN:
- OCLC Number: 1564590
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.13 1969; v.14 1970; v.15 1971
|
committed to retain | 2009-06-28 | HTDL |
|