Program: HathiTrust Digital Library
- Publisher: Petroleum Pub. Co.
- Print ISSN: 0277-0962
- Electronic ISSN:
- OCLC Number: 5703343
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1976-77; v.38 1980-81; 1990
|
committed to retain | 2012-09-06 | HTDL |
|