0185-2620 0185-2620 S0185-26202004000200175 México 00 12 2004 00 12 2004 28 175 222

1959 159-61 1973 1998 1996 309-12 1995 1985 483-90 1991 217-8 1956 1958 1964 I 257-60 1982 I 149-61 1979 III 108-9 1985 III 137-50 1997 53-4 1985 256-61 1998 209 1975 1970 208-9 1983 287-93 1954 1973 1992 77-9 1988 1985 I 18-25 1985 II 1946 362-3 1930 1-7 1964 86-119 1987 1984 1984 1983 71 y s 2003 126-64 1997 21 1999 69-70 1995 491-510 1990 2 126-30 1996