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
"Barger, Harold","The transportation industries, 1889-1946 : a study of output employment, and productivity",,National Bureau of Economic Research,1951,"Publications of the National Bureau of Economic Research, Incorporated",,,,https://cir.nii.ac.jp/crid/1130000796365230464