1405-6666 1405-6666 S1405-66662007000401309 Mexico 00 12 2007 00 12 2007 12 35 1309 1328

2000 29 29 1989 1993 1997 1997 2005 1997 1997 1992 1981 1992 3ª 1998 1995 1994 1988 2003 1994 2a 1998 1995 1996 1996 2000 27 27 1990 92 92 1992 1998