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) 南 尚嗣 and 八久保 晶弘,Coexistence of structure I and II gas hydrates in Lake Baikal suggesting gas sources from microbial and thermogenic origin,Geophys.Res.Lett. 33,,,2007,,,,https://cir.nii.ac.jp/crid/1010000781940640162,