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,Statistical methods and highway safety performance,,Transportation Research Board of the National Academies,2012,Transportation research record,,"9780309223195,9780309369305,9780309441179",,https://cir.nii.ac.jp/crid/1130282271504575744