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 "Symposium on Techniques of Improving Urban Conditions by Restraint of Road Traffic, Cologne, 1971 and Bundesanstalt für Strassenwesen (Germany) and Organisation for Economic Co-operation and Development","Proceedings of the Symposium on techniques of improving urban conditions by restraint of road traffic : held at the Bundesanstalt für Strassenwesen at Cologne, Germany on 25th, 26th and 27th October 1971",,Organisation for Economic Co-operation and Development,1973,Road research,,9264111166,,https://cir.nii.ac.jp/crid/1130000797670463104