00336nam a2200109Ia 4500008004100000022001800041040002500059082002300084100002600107245005200133260004100185240215s9999    xx            000 0 und d  a0-07-100935-3  aNORSU-DumcNORSU-Dum  aGR/370.15/Sp8/1990  aSprinthall, Norman A. 0aEducational Psychology A Developmental Approach  bMcGraw-Hill Publishing Companyc1990