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) Masato Kiuchi and Akiko M. Nakamura,Relationship between regolith particle size and porosity on small bodies,Icarus,0019-1035,Elsevier BV,2014-09,239,,291-293,https://cir.nii.ac.jp/crid/1360004232184330112,https://doi.org/10.1016/j.icarus.2014.05.029