Watershed management, 1980; symposium 

 - 1980 
 - New York,  1980 
 - 2 v.  : ilus. ; gráfs 
<br/><br/><label>LCCN: </label>19566 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cuencas.
<br/><br/><label>Dewey Class. No.: </label>631.7  / A54