00293nam a2200133Ia 45000030006000000080041000060400015000471000016000622450022000782500010001002600020001105460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBower, W.R.  aPractical physics  aFirst  bMacmillanc1906  aEnglish20220125170114.0