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 National Research Council (U.S.). Highway Research Board,"Proceedings of the 40th annual meeting Washington, D.C. Jan. 9-13, 1961",,NAS-NRC,1961,NAS-NRC publication,,,,https://cir.nii.ac.jp/crid/1130282270370145664