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 and National Research Council (U.S.). Transportation Research Board,Highway capacity and safety : 3 reports prepared for the 53rd annual meeting of the Highway Research Board,,"Transportation Research Board, National Research Council",1974,Transportation research record,,0309022754,,https://cir.nii.ac.jp/crid/1130000795310971392