Water management in the next century, 30 August-12 September 1993, T he Hague, The Netherlands. 

 - 18 p. :    ill. ;    27 cm. 
<br/><br/>  First annoucement 15th Congress and Exhibition. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Water conservation -- Congresses.
<br/><br/><label>Dewey Class. No.: </label>PF 631.7 INT