Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"J.R., Wait. and J.C., Walters",Influence of a sector ground screen on the field of a vertical antenna,,"U.S. Dept. of Commerce, National Bureau of Standards",1963,National Bureau of Standards monograph,,,,https://cir.nii.ac.jp/crid/1130282271573400704