WORLD WATER PROBLEMS 

 - STOCKHOLM:  THE SWEDISH NATIONAL COMITTEE,  1974 
 - 35 pages 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water Resources
<br/><br/><label>Universal Decimal Class. No.: </label>551.48/49