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) DAS N.,Proterozoic cover sediments of southeastern Chattisgarh state and adjoining part of Orissa,"Geological Survey of India, Special Publication",,,2001,55,,237-262,https://cir.nii.ac.jp/crid/1573668925793499136,