1981-2582 1981-2582 S1981-25822016000100046 10.15448/1981-2582.2016.1.19829 USA USA USA 00 04 2016 00 04 2016 39 1 46 55

2 1 1 61-71 16 4 4 69-75 70 4 4 419-41 1 1 1 2 1 1 19-59 65 7 7 8-13