00273nam a2200121Ia 45000030006000000080041000060400015000471000015000622450021000772600024000985460012001220050017001340STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKoller, A.  aElectric circuit  bWiley Easternc1979  aEnglish20220125170154.0