2177-6059 2177-6059 S2177-60592016000300587 10.18593/r.v41i3.10112 Brazil 00 09 2016 00 09 2016 41 3 587 608

54 54 51-4 18 1/2 1/2 97-110 43 150 150 13 13 25-53 26 26 1 1 38 4 4 393-419 9 614-31 9 153-75 5 3 3 29 147-65 12 38 38 24 54 54 78-99