Program: HathiTrust Digital Library
- Publisher: Instituto Politécnico Nacional
- Print ISSN: 0567-7785
- Electronic ISSN:
- OCLC Number: 1727022
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-2 (1967-68); v.3-4 (1969-70); v.5-7 (1971-73); v.13:35-38 (1979-80); v.6-9 1989-91 no.21-36
|
committed to retain | 2016-04-27 | HTDL |
|