00325nam a2200121Ia 4500008004100000041000800041082001400049100001500063245004600078250001200124260003900136650002800175230711s9999||||xx |||||||||||||| ||und||  aENG  a621bPR-E  aPrasad,D.N 0aElectromegnetic fields waves and antennas  a5th Ed.  c1986aNew DelhibKhanna Publishers  aElectronics Engineering