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) Keita Yamada and Ryoshi Ishiwatari and Kohei Matsumoto,δ13C records of diploptene in the Japan Sea sediments over the past 25kyr,Geochemical journal,00167002,Tokyo : Terrapub,1997,31,5,315-321,https://cir.nii.ac.jp/crid/1520573330635314304,