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) Tatsuhiro Michikami and Akiko M. Nakamura and Naru Hirata,Size-frequency statistics of boulders on global surface of asteroid 25143 Itokawa,"EPS : Earth, Planets and Space",13438832,Tokyo : Terra Scientific Pub. Co,2008,60,1,13-20,https://cir.nii.ac.jp/crid/1523669554646702336,