00311nam a22001337a 450000500170000004100060001710000180002324500340004126400170007530000170009252000270010965000140013685200270015020240812114121.0  a1  aPaulus Gerdes  aLusona recreaçao Geometrica  aMaputoc1990  a117b1c30cm  aRecreaçao geometrica  aGeometria  kC.M.57hC.D.U.531bBNM