00332nam a2200109Ia 4500008004100000022001800041040002500059082001800084100001900102245006200121260003900183240215s9999    xx            000 0 und d  a0-534-09030-3  aNORSU-DumcNORSU-Dum  a371.39445/T85  aTurner, Sandra 0aTools for Schools Applications Software for the Classroom  bWadsworth Publishing Companyc1988