0104-7043 0104-7043 S0104-70432015000200083 10.2015/jul.dez.v24n44.007 Portugal 00 07 2015 00 07 2015 24 44 83 95

13 1 1 69-76 21 662-76 4 10 10 21-34 24 303-15 3 2 2 82-94 30 30 227-38 5 4 4 22-31 21 233-52 81 81 161-77 53 4 4 5-23 7 3 3 203-20