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,"Studies in highway engineering economy : presented at the 41st annual meeting, January 8-12, 1962",,Highway Research Board,1962,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282272084429056