0185-3929 0185-3929 S0185-39292008000400135 México 00 00 2008 00 00 2008 29 116 135 188

1988 65 65 1939 19 306-13 1992 22 22 5-23 1997 2006 111-2 1985 4 4 318--349 1949 28 28 1994 3 15-24 2001 1960 1974 40-50 1970 17-97 1993 285 285 5-18 1960 172-8 1962 125 176-85 1971 IV 1955 1976 12 102-7 1948 582 582 1998 19-57 1967 1998 1986 2004 1927 1903 1 1 1-57 1833 1994 24 y 25 1967 1999 35-56 1999 XX 78 78 113-54 2001 2 1980 2 62 y ss 1987 75-6 1986 398-0 1978 4 1952 1963 1985 1994 1981 71-3 1995 1999 29-139 1935 120-8 1980 1993 29-39 1992 1973 3 3 1980 1982 13 13 16 1928 3 1910 1 2-3 1963 1959 6 6 1993 1994 Zacatecas 1972 24 24 1993 1994 31-40 1994 355-78 1948 1999 63-96 1976 19-24 1944 103-4 1975 25-7 1977 6 6 187 y ss 1996 33 119-35 2005 XIII 76 76 26-9 1952 1 3 3 411-28 1954 1994