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) Arthur Casagrande,Role of the Calculated Risk in Earthwork and Foundation Engineering,Journal of the Soil Mechanics and Foundations Division,0044-7994,American Society of Civil Engineers (ASCE),1965-07,91,4,1-40,https://cir.nii.ac.jp/crid/1362262945631107072,https://doi.org/10.1061/jsfeaq.0000754