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 Unesco and World Meteorological Organization and International Association of Hydrological Sciences,"Hydrometry : proceedings of the Koblenz Symposium, September 1970 = Hydrométrie : actes du colloque de Coblence, Septembre 1970",,Unesco,1973,Studies and reports in hydrology,,9230010510,,https://cir.nii.ac.jp/crid/1130282273233427328