00338nam a2200133Ia 4500008004100000020001800041082001000059082001000069100002100079245004800100260001300148260003400161260000900195230118s9999||||xx |||||||||||||| ||und|| a0-87692-054-7 a621.3 bJOR/E aedward cbjordan 0aelectromagnetic waves and radiating systems anewdelhi bprentic hall of india pvt ltd c1990