Fifth biennial report on water resources development. 

 - New York :    United Nations,    1968. 
 - 126 p. ;    30 cm. 
 - Eonomic and Social Council, Official records, Forty-Fourth Session, supp ;    No.3 .
<br/><br/><label>Subjects--Corporate Names: </label><br/> United Nations.
<br/><br/><label>Subjects--Topical Terms: </label><br/> Water resources development.