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 World Health Organization. Regional Office for Europe,"Sodium, chlorides, and conductivity in drinking-water : report on a WHO working group, The Hague, 1-5 May 1978",,"Regional Office for Europe, World Health Organization",1979,EURO reports and studies,,929020141X,,https://cir.nii.ac.jp/crid/1130282269612142336