@article{oai:ir.ide.go.jp:00051061,
 author = {青木, 栄一},
 journal = {Technological Innovation and the Development of Transportation in Japan},
 month = {},
 pages = {123--149},
 title = {Chap. 5:consolidating the transportation system (1922-1937) : railroads},
 year = {1993}
}