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) FOLLMI K. B.,"The phosphorous cycle, phosphogenesis and phosphate-rich deposites",Earth-Science Reviews,,,1996,40,,55-124,https://cir.nii.ac.jp/crid/1572261551603506176,