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.). Transportation Research Board,Safety research for a changing highway environment : strategic transportation research study : highway safety,,"Transportation Research Board, National Research Council",1990,Strategic transportation research study,,0309050561,,https://cir.nii.ac.jp/crid/1130000797476686208