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) Douglas P. Hamilton,The Asymmetric Time-Variable Rings of Mars,Icarus,0019-1035,Elsevier BV,1996-01,119,1,153-172,https://cir.nii.ac.jp/crid/1361137043881756928,https://doi.org/10.1006/icar.1996.0008