00346nam a2200145Ia 45000030006000000080041000060400015000471000016000622450039000782500006001172600042001233000006001655460012001710050017001830STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aCheng, D.K.  aField and wave electromagnetics538  a2  bPearson Education; Delhic1989aDelhi  a0  aEnglish20220125170215.0