Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Yoneta, Katuhiko",On wave propagation on the surface of a sand mass,"Memoirs of the Faculty of Engineering, Hokkaido Imperial University",,Hokkaido Imperial University,1938,4,,265-273,https://cir.nii.ac.jp/crid/1050282813976476416,