00309nam a2200133Ia 45000030006000000080041000060400015000471000030000622450022000922500010001142600022001245460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSlater, J.C.; Frank, N.H.  aElectromagneetism  aFirst  bMcgraw hillc1947  aEnglish20220125170205.0