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) TANAKA T.,Seepage failure of sand within a cofferdam-Prismatic failure concept and analytical consideration-,Transactions of JSIDRE,,,1996,186,,77-87,https://cir.nii.ac.jp/crid/1574231874283640192,