00310nam a2200133Ia 45000030006000000080041000060400015000471000018000622450048000802500010001282600009001385460012001470050017001590STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aWilson, J.D..  aHome-study experiments in practical physics  aFirst  c1986  aEnglish20220125170117.0