Program: HathiTrust Digital Library
- Publisher: Instituto Nacional de Estadística, Geografía e Informática : Pemex
- Print ISSN: 0187-487X
- Electronic ISSN:
- OCLC Number: 19356826
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1986; 1991-1992; 1992-93; 1993
|
committed to retain | 2021-07-25 | HTDL |
|