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) HARRIS W. R.,Time-dependent leaching of coal fly ash by chelating agents,Environ. Sci. Technol.,,,1983,17,,139-145,https://cir.nii.ac.jp/crid/1571135649046728192,