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) D. Rio and E. Fornaciari and I. Raffi,Late Oligocene through Early Pleistocene Calcareous Nannofossils from Western Equatorial Indian Ocean (Leg 115),Proceedings of the Ocean Drilling Program,,Ocean Drilling Program,1990-09,,,,https://cir.nii.ac.jp/crid/1363670319859673472,https://doi.org/10.2973/odp.proc.sr.115.152.1990