著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Ragone, Stephen and IAHS International Commission on Water Quality and International Association of Hydrological Sciences. Scientific Assembly",Regional characterization of water quality,,International Association of Hydrological Sciences,1989,IAHS publication,,0947571027,,https://cir.nii.ac.jp/crid/1130282272140365568