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) T.H. Shipley and B.M. Didyk,Occurrence of Methane Hydrates offshore Southern Mexico,Initial Reports of the Deep Sea Drilling Project,,U.S. Government Printing Office,1982-02,,,,https://cir.nii.ac.jp/crid/1360011144735202560,https://doi.org/10.2973/dsdp.proc.66.120.1982