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) CINTALA M. J.,Ejection Velocities from Impacts into Coarse-grained Sand,J. Meteoritics & Planetary Science,,,1999,34,,605-623,https://cir.nii.ac.jp/crid/1573105974562591488,