0185-2450 0185-2450 S0185-24502005000200185 Mexico 00 00 2005 00 00 2005 50 55 185 197 1994 1983 1987 1986 16 6 6 533-50 1987 1995 1987 1995 68-85 1995 1964 1999 1996 2002 1999 30 1 1 149-56 1994 1981 101-13