TY - BOOK AU - KRAUS J .D MARHEFKA R. J .AND KHAN A.S TI - ANTENNAS AND WAVE PROPAGATION 4TH ED SN - 13 - 987 - 0 - 067155 -3 U1 - 621.3824 PB - TATA MC GRAW HILL PVT .LTD . NEW DELHI KW - POWER DEV.and MACHINES N1 - 7010/1 ER -