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) Keisuke Nagao and Nobuo Takaoka and Osamu Matsubayashi,Rare gas isotopic compositions in natural gases of Japan,Earth and Planetary Science Letters,0012-821X,Elsevier BV,1981-04,53,2,175-188,https://cir.nii.ac.jp/crid/1361418520031824512,https://doi.org/10.1016/0012-821x(81)90152-7