1676-2592 1676-2592 S1676-25922017000100073 10.20396/etd.v19i1.8647792 Brazil Brasil 00 03 2017 00 03 2017 19 1 73 96

78 6 6 1360-380 92 1 1 64-90 99 3 3 640-67 76 76 11-48 8 02 02