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 Organisation for Economic Co-operation and Development,"Optimisation of bus operation in urban areas : a report prepared by an OECD road research group, May 1972",,Organisation for Economic Co-operation and Development,1972,Road research,,,,https://cir.nii.ac.jp/crid/1130282271130894720