Program: HathiTrust Digital Library
- Publisher: Universidad Nacional Autónoma de México, Instituto de Geología
- Print ISSN: 1026-8774
- Electronic ISSN: 2007-2902
- OCLC Number: 32866130
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.11; v.11 no.2 1994; v.12; v.12-13 1995-1996; v.13-14; v.14 no.2 1997; v.15 no.1-17; v.18-19; v.20 no.1-3; v.21; v.22; v.23; v.24; v.25
|
committed to retain | 2013-04-19 | HTDL |
|