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) 和田 浩二,Numerical simulation of density evolution of dust aggregates in protoplanetary disks.,"I. Head-on collisions, Astrophys. J. 684",,,2008,,,1310-1322,https://cir.nii.ac.jp/crid/1010282257033366144,