1665-8574 1665-8574 S1665-85742008000100077 Mexico 00 06 2008 00 06 2008 46 77 117

1976 20 20 137-44 1965 1995 VIII 99 99 3-7 1995 371-90 1995 55-71 1995 10 3 3 3 16-22 1997 1981 2000 97-101 2000 131-8 1971 1990 1973 1995 407-16 1994 13-36 1999 1980 1943 1977 1982 1994 1986 1976 1998 1999 2000 1988 1994 41-56 1990 7 7 101-12 1976 9 9 53-7 1980 1974 1990 19-22 1991 1985 1996 1989 4 4 77 y 81 1996 1993 IX 164 164 435-44 1990 II 3 3 12-31 1988 1966 1992 1961 1966 1962 1963 1998 6 6 11-30 1999 8 8 159-69 1980 1990 XXXVII 1523^sSiempre! 1523^sSiempre! Siempre! 41-3 1982 48 48 38-43 1985 1 1 55-8 1987 5-10 1997 1990 1990 1974 2 1975 1995 1966 1997 1 109-25 1991 2 1998 9-23 1994 73-85 1945 1992 1992 1994 1963 1995 207-25 1997 1997 1957 XVI 5 5 29-53 1967 1982 1955 1996 1984 1970 I 1992 1970 I 152-69 1965 1988 1987 58 58 163-70 1980 1993 2 3 3 39-49 1989 1942 1945 3 1921 1979 1985 1974 1984 1971 1953 1987 1988