00308nam a2200133Ia 45000030006000000080041000060400015000471000018000622450043000802500013001232600009001365460012001450050017001570STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAcharya, D.P.  aText book of electricity and magnetism  aTwelveth  c1977  aEnglish20220125170202.0