0101-7136 0101-7136 S0101-71362014000300593 10.5216/ia.v39i3.28578 Portugal Brazil 00 09 2014 00 09 2014 39 3 593 609

28 53-69 139 131-54 36 1 1 1-24 4 1 1 67-84 21 38 38 1-18 29 2 2 507-33 25 1 1 7-27 4 43-59 39 7-23 37 5-8