Program: HathiTrust Digital Library
- Publisher: Ministerio de Minas y Petróleos
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 2359537
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1943/44 + SUP; 1948/1949; 1959/60:2; 1967; 1971:2
|
committed to retain | 2020-02-23 | HTDL |
|