@article{oai:ir.ide.go.jp:00051063,
 author = {増田, 広実},
 journal = {Technological Innovation and the Development of Transportation in Japan},
 month = {},
 pages = {157--164},
 title = {Chap. 5 : consolidating the transportation system (1922-1937) : coastal and river transport},
 year = {1993}
}