1870-2333 1870-2333 S1870-23332005000100181 Mexico 00 06 2005 00 06 2005 1 1 181 210

1989 2002 51 51 269-90 1979 1957 64 2 2 123-52 1995 2003 1997 60 1 1 52-65 1990 1987 27 27 1197-216 1996 1986 1976 1979 1980 1985 1987 1990 1994 1999 1993 1975 349-89 1984 1981 1987 1994 20 20 454-63 1998 1995 157-78 2002 1978 1999 29 29 1073-95 2002