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) Christopher R. German and Henry Elderfield,Application of the Ce anomaly as a paleoredox indicator: The ground rules,Paleoceanography,0883-8305,American Geophysical Union (AGU),1990-10,5,5,823-833,https://cir.nii.ac.jp/crid/1362262945848704256,https://doi.org/10.1029/pa005i005p00823