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,Travel factors and travel models : 6 reports,,"Highway Research Board, Division of Engineering",1969,Highway research record,,,,https://cir.nii.ac.jp/crid/1130000797198442496