00308nam 2200838 4500001000400000003002300004005000900027008004100036082001000077100001600087260001900103250001900122245003500141838StarLibrary Marc Built20180713201711 ||||| |||||||||||amh  a531.5 adavid cheng baddison c1989 aالطبعة 2 afield and wave electromagetics