著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "R.G., Merrill and W.V., Mansfield",Radiation patterns in the lower ionosphere and Fresnel zones for elevated antennas over a spherical earth,,"U.S. Dept. of Commerce, National Bureau of Standards",1962,National Bureau of Standards monograph,,,,https://cir.nii.ac.jp/crid/1130282271991484928