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) Richard D Norris and Ursula Röhl,Carbon cycling and chronology of climate warming during the Palaeocene/Eocene transition,Nature,0028-0836,Springer Science and Business Media LLC,1999-10,401,6755,775-778,https://cir.nii.ac.jp/crid/1363670320821676544,https://doi.org/10.1038/44545