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) CRUDEN D. M.,Landslide types and processes,Landslides-invesitgation and mitigation,,Transportation Research Board and National Research Council,1996,,,,https://cir.nii.ac.jp/crid/1571417125153111296,