1870-719X 1870-719X S1870-719X2023000200007 México 00 12 2023 00 12 2023 78 209 241

1928 1962 1983 1972 1904 1984 1928 1926 1977 2006 1984 1929 29 29 1930 1999 2001 1927 1970 1966 2009 37-52 1986 161-81 2008 49-78 2007 465-90 1992 2011 1971 1954 1927 1938 1934 2012 2 2 2007 1926 1928 1922 I y II 1958 8 1 1 60-80 2001 19-60 2007 425-63 2002