Umbral XXI : publicaciâon de los programas de investigaciâon y postgrado de la Universidad Iberoamericana.
- Publisher: Universidad Iberoamericana
- Print ISSN: 0188-1981
- Electronic ISSN:
- OCLC Number: 25332008
- Subject:
- Subject code: A
- Publication history: No. 1 (Oct. 1989)-no. 30 (Winter 1999)
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.8-10 1992; no.17-19 1995; NO.ESP.1,3-4 1995-97; no.20,22-23 1996-97 | permanent |