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) ,FE-based ballast settlement analysis considering wheel-track dynamic response,Proceedings of STECH2015,,,2015,USB,,,https://cir.nii.ac.jp/crid/1010000781846248349,