Report of a Study Group on inland water transport in the Union of So viet Socialist Republics and Hungary. 

 - New York :    United Nations,    1961. 
 - v,175 p. :    ill. ;    28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Inland navigation -- Hungary.<br/> Inland navigation -- The Union of Soviet Socialist Republics.