1984-6444 1984-6444 S1984-64442017000100085 10.5902/1984644422337 Brazil Brazil 00 04 2017 00 04 2017 42 1 85 98

14 1 1 249-71 45 1 1 1 1 1 13-24 9 2 2 191-211 1/2 24 24 34-42 7 1 1 120-32 7 1 1 59-68 38 1 1 41-54