Program: HathiTrust Digital Library
- Publisher: Office of Special Projects and Services, School of Engineering, University of Pittsburgh
- Print ISSN: 0196-8785
- Electronic ISSN:
- OCLC Number: 1765382
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1; v.1 1971; v.2; v.2 1973; v.3 1975
|
committed to retain | 2014-11-07 | HTDL |
|