00365nam a2200133Ia 4500003000400000008004100004020002600045040000800071100001800079245008000097260002800177300001400205365001200219LDD181029s9999    xx            000 0 und d  a9789048132485cE99.95  cLDD  aSmeyers, Paul 0aEducational researchbProofs, arguments, and other reasoningscPaul Smeyers  aBelgiumbSpringerc2008  avi, 199p.  bE 99.95