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) HAYES J. M.,Factors controlling ^<13>C contents of sedimentary organic compounds : Principles and evidence,Mar. Geol.,,,1993,113,,111-125,https://cir.nii.ac.jp/crid/1570291225102888448,