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) ,Mechanical Properties of Abandoned and Closed Roadways in the Kushiro Coal Mine,Int.J.Rock Mech.Min.Sci.,,,2011,48,,585-596,https://cir.nii.ac.jp/crid/1010282257098616587,