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,Highway capacity and quality of service : 7 reports,,"Highway Research Board, Division of engineering, National Research Council",1970,Highway research record,,030901820X,,https://cir.nii.ac.jp/crid/1130282269123381120