1405-2768 1405-2768 S1405-27682006000100045 Mexico Mexico 00 00 2006 00 00 2006 21 45 60

2001 470 1993 23-32 INEGI 1988 1008-13 INEGI 1999 1-14 1988 46 568 2004 88 1-1054 1995 470 1987 50 1996 10 1-23 1998 142 1941 443 1-31 1-31 37-67