SOP.
- Publisher: Secretaría de Obras Públicas
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 2161751
- Subject: Public works Mexico Periodicals.
- Subject code: H
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 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 | permanent |