1405-0218 1405-0218 S1405-02182000000200159 Mexico 00 10 2000 00 10 2000 13 159 175 1988 II 2 agos to d agosto de 1991 Göttingen, Alemania 1974 2000 2 1951 75 1961 1994 64 1994 1979 1965 1961 1996 1 1949 1981 26 1981 79 1989 2 141