Program: HathiTrust Digital Library
- Publisher: Instituto de Investigaciones Geológicas
- Print ISSN: 0716-0208
- Electronic ISSN:
- OCLC Number: 3575257
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.22-25/26 1984-1985; no.27-31 1986-1987; v.15-16 1988-1989; v.17-20 1990-1993; v.21-23 1994-1996
|
committed to retain | 2011-03-11 | HTDL |
|