Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) EVANS J. E.,High Resolution Angular Spectrum Estimation Technique for Terrain Scattering Analysis and Angle of Arrival Estimation,"1st IEEE ASSP Workshop Spectral Estimat., McMaster Univ., Hamilton, Ont., Canada, 1981",,,1981,,,134-139,https://cir.nii.ac.jp/crid/1571135651137152000,