Berlekom, H.A. Berdenis Van.  <br/><br/>
The role of rivers to mankind /  
H.A. BERDENIS VAN BERLEKOM 
 - Delft :  Delft hydraulics labaratory,   1971.  
 - 121 pages :   illustrations ;   30 cm. 
 - PUBLICATION. DELFT HYDRAULICS LABORATORY, 76I .
<br/><br/><br/>In English.  
<br/><br/> Pbk.  
<br/><br/><label>Dewey Class. No.: </label>624 ROL 1971