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 Conference on Urban Commodity Flow and United States. Department of Transportation and Canada. Ministry of Transport,"Urban commodity flow : report of a conference held December 6-9, 1970",,"Highway Research Board, National Research Council",1971,Highway Research Board special report,,0309019524,,https://cir.nii.ac.jp/crid/1130000794100736256