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) Qinzhong Hou and Andrew P. Tarko and Xianghai Meng,Investigating factors of crash frequency with random effects and random parameters models: New insights from Chinese freeway study,Accident Analysis & Prevention,0001-4575,Elsevier BV,2018-11,120,,1-12,https://cir.nii.ac.jp/crid/1361699996264844032,https://doi.org/10.1016/j.aap.2018.07.010