00282nam a2200109Ia 450000500170000008000220001724500240003926000480006330000100011150000320012158300190015320260716043208.0  aREF 06.04.05 N277  aGeneral information  bThe UniversityaDelegacion CoyoacanMXc199-  a49 p.  aText in English and Spanish  c3/7/00kM2LMGR