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) Michael F. Roden and Douglas Smith and Fred W. McDowell,Age and extent of potassic volcanism on the Colorado Plateau,Earth and Planetary Science Letters,0012-821X,Elsevier BV,1979-05,43,2,279-284,https://cir.nii.ac.jp/crid/1362825894074881280,https://doi.org/10.1016/0012-821x(79)90212-7