00297nam a2200121Ia 450000500170000000800410001710000150005824500330007325000160010626000360012230000090015865000080016720260415111637.0191201s2012    xx            000 0 und d  aPRASAD, KD 0aAntenna and wave propagation  a3rd Ed. Rep  c2012bSatya PrakashanaN. delhi  a1282  aECE