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) 沢田 健,Degraded pentacyclic triterpenoids in the geomacromolecule : sedimentary molecules or in situ microbial products? Photo/Electrochem. & Photobiol.Environm.,Energy & Fuel 2004,,,2004,,,149-164,https://cir.nii.ac.jp/crid/1010000781802157571,