0185-2620 0185-2620 S0185-26202004000100095 México 00 06 2004 00 06 2004 27 95 124

1969 19 2 2 228-47 1973 1982 1999 427-36 1988 2 1976 1997 1969 1997 2000 1985 1994 1989 1985 11-64 1979 378-91 1980 2000 1997 1983 1992 12-6 1982 1995 1978 1977 14 245-68 1943 1 1972 1969 1982 1990 1988 691-703 1971 1973 11- 34 y 68 1968 1979 1990 1995 1993 1997 1975 65 3 3 335-52 1982 1977 1979 1995 1991 1991 1969 1981 1980 1988 1970