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) Takeo Matsumoto and Masaharu Tanemura,Density of the p2gg-4c1 packing of ellipses (II),Zeitschrift für Kristallographie - Crystalline Materials,2194-4946,Walter de Gruyter GmbH,2015-11-13,230,,709-718,https://cir.nii.ac.jp/crid/1873398392360455424,https://doi.org/10.1515/zkri-2015-1880