Program: HathiTrust Digital Library
- Publisher: Exxon International Co.
- Print ISSN: 0884-5433
- Electronic ISSN:
- OCLC Number: 2642461
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.26-28 1973-1976 incomplete; v.39 no.3; v.40-42 1988-1990; v.43 no.2-3 1991
|
committed to retain | 2013-04-23 | HTDL |
|