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) HOWARD J.,Lithium and potassium saturation of illite/smectite clays from interlaminated shales and sandstones,Clays Clay Miner.,,,1981,29,,136-142,https://cir.nii.ac.jp/crid/1570009751223690368,https://doi.org/10.1346/ccmn.1981.0290208