0101-7136 0101-7136 S0101-71362016000200265 10.5216/ia.v41i2.40704 Brazil Brasil 00 05 2016 00 05 2016 41 2 265 285

16 3 3 185-200 24 24 40-52 28 1 1 117-36 19 1 1 57-70 17 2 2 173-205 23 56 56 73-85 24 108-109 108-109 591-644 11 20 20 17-27 38 2 2