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) Yuji Sano and Jun-Ichi Hirabayashi and Takeshi Oba and Toshitaka Gamo,"Carbon and helium isotopic ratios at Kusatsu-Shirane Volcano, Japan",Applied Geochemistry,0883-2927,Elsevier BV,1994-07,9,4,371-377,https://cir.nii.ac.jp/crid/1361699996490894976,https://doi.org/10.1016/0883-2927(94)90059-0