著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Casagrande, Arthur and Covarrubias, Sergio W.",Tension zones in embankments caused by conduits and cutoff walls,,Harvard University,1970,Harvard soil mechanics series,,,,https://cir.nii.ac.jp/crid/1130000796420374144