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 National Research Council (U.S.). Transporation Research Board,"Urban public transportation research, 1990",,"Transportation Research Board, National Research Council",1990,Transportation research record,,0309050189,,https://cir.nii.ac.jp/crid/1130282268652368000