Nil <br/><br/>
Register of International Rivers 

 -  1978  Pergamon Press 
 - 1-58  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>ISBN: </label>0-08-022408-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil & Water Conservation
<br/><br/><label>Dewey Class. No.: </label>DT26     L8