2448-7678 2448-7678 S2448-76782006000200074 Mexico Mexico 00 12 2006 00 12 2006 35 98 74 81

2000 1994 2002 1994 III 2 2 1997 1998 1981 1980 2a 1977 1999 1970 1969 1991 1992 1985 1993 1973 1999 150 150 1982 1985 1991 1999 1997