0185-1667 0185-1667 S0185-16671999000400015 Mexico 00 12 1999 00 12 1999 59 230 15 54

1995 29 l l 1985 1993 1996 1987 9 2 2 1988 10 4 4 1987 1994 1984 18 1 1 1993 1992 82 82 1997 1992 1985 1989 1996 1996 18 3 3 SHCP 1996 1989 23 4 4 1990 13 2 2 1992 26 4 4 1992 1993 15 4 4