0864-3466 0864-3466 S0864-34662019000100018 00 03 2019 00 03 2019 45 1 1 1979 2 1976 49 3 1975 4 1979 32 5 1979 6 1975 154 7 I, II, II I, II, II 8 1976 84 84 9 1977 154-6 10 1975 17-8 11 1978 15 12 13 1979