1981-0431 1981-0431 S1981-04312016000100210 10.2015/lcv22n47.210 Brazil Brazil 00 04 2016 00 04 2016 22 47 210 228

114 114 197-223 2 32 32 171-86 2 34 34 153-69 12 2-3 2-3 22-31 28 100 100 947-63