00277nam a2200109Ia 4500100002900000654002000029245004700049260003500096082001600131300000800147546001200155  aJordon/E.C/ Balmain/K.G   aelectromagnetic  aElectromagnetic waves and radiating system  bprentice hallaNew Delhic1987  a530.14bJOR  a753  aENGLISH