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 World Conference on Transport Research,"Transport policy, management & technology towards 2001 : selected proceedings of the Fifth World Conference on Transport Research : Yokohama 1989",,Western Periodicals,1989,,,,,https://cir.nii.ac.jp/crid/1130282272974449280