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) A.S. Goudie and A. Watson,The shape of desert sand dune grains,Journal of Arid Environments,0140-1963,Elsevier BV,1981-09,4,3,185-190,https://cir.nii.ac.jp/crid/1361418520902273152,https://doi.org/10.1016/s0140-1963(18)31559-3