Technico-economic, organizational, and administrative aspects of inland waterborne transport : report of the united nations interregional symposium - United Nations Interregional Symposium on Technico-economic, Organizational and Administrative Aspects of Inland Waterborne Transport, Leningrad, 1968.; United Nations. Office of Technical Co-operation. (New York, United Nations, 1970)
Keywords: Inland water transportation -- Congresses