1983-2117 1983-2117 S1983-21172007000100072 10.1590/1983-21172007090107 00 06 2007 00 06 2007 9 1 72 89

2004 Jaboticatubas 18 32-42 86 175-218 77-115 86 175-218 1 9 9 31-40 443-65 90 3 3 522-43 10 4 4 315-33 8 2 2 161-75 National Research Council National Research Council National Research Council National Research Council National Science Foundation Inquiry National Science Foundation Inquiry 2 2 88 345-72 5 1-27 3-103 43 197-205 31-49