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) Chen,Spatial and temporal variations of water quality in Cao-E River of eastern China,J. Environ. Sci.-China,,,2006,18,4,680,https://cir.nii.ac.jp/crid/1370006918777708559,