0186-0348 0186-0348 S0186-03482007000300085 10.18234/secuencia.v0i69.1019 Mexico 00 12 2007 00 12 2007 69 85 114

2000 1959 1993 1975 1947 1987 1978 1994 1996 1984 3 1986 1939 1974 VI y VII 1984 1965 1975 1975 1984 1995 1990 1984 1979 1992 1934 1937 1938 1984 1975 1969 1969 1985 1987 1935 1980 1980 1975 1976 1985 1989 4 1975 1930 1936 2a 1937 1941 1939 1984 1984 1994 2000 1994 1998 1938 1939 1983