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) SUZUKI N.,"Organic geochemical implications of black shales related to the Permian/Triassic boundary, Tamba Belt, southwest Japan",Bull. Geol. Surv. Japan,,,1993,44,,707-720,https://cir.nii.ac.jp/crid/1574231875563133440,