Water development and management:  proceedings of the United Nations Water Conference, Mar del Plata, Argentina, March 1977. 

 - Oxford:  Pergamon Press for the United Nations,  1978. 
 - 4volume ;  26cm. 
 - Water development, supply and management  v.1 .
<br/><br/><label>ISBN: </label>008021987X  set 008023402X  pt.1 0080234046  pt.2 0080234062  pt.3 0080234089  pt.4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water resources development--Congresses