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 O.E.C.D. Symposium on Geometric Road Design Standards and Denmark. Vejdirektoratet,Geometric road design standards : proceeding of the Symposium on Methods for Determining Geometric Road Design Standards,,Organisation for Economic Co-operation and Development,1977,Road research,,9264116400,,https://cir.nii.ac.jp/crid/1130000796487653248