1405-6666 1405-6666 S1405-66662007000401241 Mexico 00 12 2007 00 12 2007 12 35 1241 1265

1996 1999 53 53 4-13 1998 1990 1992 1982 1978 1976 1948 1993 1958 UNAM 1990 1986 1967 1988 XIV 83 83 23-36 1992 327-47 1994 1996 1999 1997 1991 facsimilar 1988 1994 2001 II 188-95 2004 2003 DF, México 1958