00289nam a2200121Ia 45000030006000000080041000060400015000471000032000622450027000942600017001215460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChopra, K.K.; Agrawal, G.C.  aElectromagnetic theory  bK.Nathc1985  aEnglish20220125170114.0