1405-7743 1405-7743 S1405-77432005000100047 Mexico 00 03 2005 00 03 2005 6 1 47 58

1951 54 8 8 560-2 1936 203-12 1963 514-50 1976 55-76 1967 3 1961 104-11 1969 1964 1960 67 6 6 516-9 1928 35 47-8 1988 1983 128-59 1980 3 205-24 1960 103-10 1967 61-2