00313nam a2200133Ia 45000030006000000080041000060400015000471000017000622450044000792500010001232600017001335460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSinclair, J.  aThird years course in practical physics  aFifth  bG.Bellc1921  aEnglish20220125170118.0