Program: HathiTrust Digital Library
- Publisher: Petroleum Independent Publishers
- Print ISSN: 0191-0396
- Electronic ISSN:
- OCLC Number: 1199976
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1974; 1979-1980; 1982-1983
|
committed to retain | 2014-10-26 | HTDL |
|