著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Xin Ye and Ram M. Pendyala and Venky Shankar and Karthik C. Konduri,A simultaneous equations model of crash frequency by severity level for freeway sections,Accident Analysis & Prevention,0001-4575,Elsevier BV,2013-08,57,,140-149,https://cir.nii.ac.jp/crid/1360292619379315072,https://doi.org/10.1016/j.aap.2013.03.025