Program: HathiTrust Digital Library
- Publisher: Secretaría de Obras Públicas
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 2161751
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.6-7 no.70 yr.1972; no.82-93 1973; v.7-8 no.82 yr.1973; v.8 no.94 yr.1974; v.8 no.98 yr.1974
|
committed to retain | 2018-09-20 | HTDL |
|