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) Egashira,Effects of the Na2S2O4−NaHCO3−Na citrate and 2% Na2CO3 treatments on the surface area of allophane and imogorite,Nendo Kagaku,,,1977,17,,38,https://cir.nii.ac.jp/crid/1370006817878174222,