Lakes and Reservoirs :  How to Involve the Ppublic in Protecting them from Degradation 
United Nations 
 - New York  United Nations  2002 
 - 27p 
<br/><br/><label>ISBN: </label>9280722441 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Degradation
<br/><br/><label>Dewey Class. No.: </label>333.916316  / LAK.P2.4