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
United Nations. Economic Commission for Europe,"Symposium : on the application of operational research methods in solving the economic problems of planning and operating large electric power systems and on the use of computers for that purpose : Varna, 25-27 May 1970",,United Nations,1970,United Nations publication,,,,https://cir.nii.ac.jp/crid/1130000794979293312