0185-3058 0185-3058 S0185-30582006000200147 10.19130/iifl.nt.2006.24.2.180 Mexico 00 12 2006 00 12 2006 24 2 147 165

1991 1945 1912 1795 1974 203-22 2003 6 432-40 1974 183-202 1975 2005 21 21 2000 1958