Umbral :
- Publisher: Universidad AutoĢnoma Metropolitana, Unidad Xochimilco
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 53875405
- Subject: Civilization. fast (OCoLC)fst00862898
- Subject code: A
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | ANO 1 no.4 1999 | permanent |