00343nam a2200145Ia 45000030006000000080041000060400015000471000016000622450036000782500006001142600042001203000006001625460012001680050017001800STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aCheng, D.K.  aField and wave electromagnetics  a2  bPearson Education; Delhic1989aDelhi  a0  aEnglish20220125170204.0