1665-1200 1665-1200 S1665-12002007000200057 Mexico 00 12 2007 00 12 2007 18 57 86

1997 1987 2002 1996 13 13 1994 9 9 2003 1995 l 2004 1997 1989 II 1973 1994 1990 1 1991 2 2000 2005 2001 2004