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) Alexei V Milkov and Roger Sassen,Economic geology of offshore gas hydrate accumulations and provinces,Marine and Petroleum Geology,0264-8172,Elsevier BV,2002-01,19,1,1-11,https://cir.nii.ac.jp/crid/1361699996280218368,https://doi.org/10.1016/s0264-8172(01)00047-2