First biennial report. 

 - New York :    United Nations,    n.d. 
 - 19 p. ;    30cm. 
 - Economic and Social Council. Official records, special supplement. .
<br/><br/><label>Subjects--Corporate Names: </label><br/> United Nations.   Water Resources development center. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Water resources development.