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 "Cohen, H. S. (Harry S.)",Estimating incremental costs of bus route service changes,,"Transportation Research Board, National Research Council",1988,Report,,030904572X,,https://cir.nii.ac.jp/crid/1130282269574542080