Air-cushion vehicles for use in developing countries /  
Dept. of E conomic and Social Affairs. 
 - New York :    United Nations,    1974. 
 - x, 176 p. :    ill. ;    28 cm. 
 - [Document - United Nations] ; ST/ESA/2 .
<br/><br/>  "United Nations publication. Sales no. E.74.VIII.2." 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ground-effect machines.<br/> Transportation -- Developing countries.