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) CLESCERI L. S.,Standard methods for examination of water and wastewater,American Public Health Association,,"American Water Works Association, and Water Environment Federation",1998,9,,,https://cir.nii.ac.jp/crid/1571980074898839552,