United Nations. Economic and Social Affairs, Department of- <br/><br/>
Integrated river basin devlopment; report of a panel of experts   

 - Rev. 
 - New York  The Auth.  1970 
 - xvi, 80p. 
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>338.16317  / Un58.IR