@phdthesis{oai:tsukuba.repo.nii.ac.jp:00008461, author = {恩田, 裕一 and Onda, Yuichi}, month = {}, note = {1990}, school = {筑波大学, University of Tsukuba}, title = {Mechanism of the stability of slopes composed of granular materials : laboratory experiments and modeling}, year = {1990} }