著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Beauchamp,Permian warm- to very cold-water carbonates and cherts in northwest Pangea,,,,1997,56,,327,https://cir.nii.ac.jp/crid/1370006919124292746,