InstituteofElectricalandElectronicsEngineers,1980 International Symposium Digest.:Antennas and propagation (1980 : Canada);1980 International Symposium Digest.V.2.,1980.
InstituteofElectricalandElectronicsEngineers,1980 International Symposium Digest.:Antennas and propagation (1980 );1980 International Symposium Digest.V.1.,1980.