Program: HathiTrust Digital Library
- Publisher: Instituto de Geología, Universidad Nacional Autónoma de México
- Print ISSN: 0185-0962
- Electronic ISSN:
- OCLC Number: 4433271
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-2; v.1-2 1977-78; v.3-4 1979-80; v.3 no.2; v.4; v.5; v.6; v.7; v.8-9; v.9-10 1990-92; v.10
|
committed to retain | 2018-01-14 | HTDL |
|