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) G. Etiope and R. Nakada and K. Tanaka and N. Yoshida,"Gas seepage from Tokamachi mud volcanoes, onshore Niigata Basin (Japan): Origin, post-genetic alterations and CH4–CO2 fluxes",Applied Geochemistry,0883-2927,Elsevier BV,2011-03,26,3,348-359,https://cir.nii.ac.jp/crid/1360011142940134272,https://doi.org/10.1016/j.apgeochem.2010.12.008