00323nam a2200133Ia 45000030006000000080041000060400015000471000021000622450045000832500010001282600022001385460012001600050017001720STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aEdminister, J.A.  aTheory and problems of electric circuits  aFirst  bMcgraw hillc1972  aEnglish20220125170202.0