1665-8574 1665-8574 S1665-85742007000100103 Mexico 00 06 2007 00 06 2007 44 103 127

1983 158 1972 1991 147-91 1978 1970 1985 1978 32 1973 2004 1992 1991 1981 281-98 1981 263 2003 77 1992 1971 2005 2006 1977 1980 1982 9-98 1979 2005 40 2003 1972 20 1988 158 2006 144 1988 1973 2003 1981 IX-LXXXV 1971 1979 105 1998 3 69 69 179-99 1991 1 25 25 87-102 1988 2 2 66-8 1999 83-4 1989 137 2003 2003 1984 CCLIII 7 1966 1936 2002 127-62 1976 1983 161-211 1979 1989 1995 1988