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 "Bureau of Railway Economics (Washington, D.C.)",Comparison of transportation costs by rail and via Barge canal,,Bureau of Railway Economics,1925,Bulletins of the Bureau of Railway Economics,,,,https://cir.nii.ac.jp/crid/1130282269399739008