Edited by: Walling, D. E. Edited by: Foster, S. S. D. Edited by: Wurzel, P. <br/><br/>
Challenges in african hydrology and water resources 

 - International Association of Hydrological Sciences  UK  1984 
 - 587p.  fig. 
<br/><br/><label>Nat. Bib. No.: </label>6162 
<br/><br/><label>Universal Decimal Class. No.: </label>551.49  / CHA