Water resources of arid areas :  proceedings of the International Conference of Water Resources of Arid and Semi Arid Regions of Africa (WRASRA), August 3-6th 2004, Gaborone, Botswana / 
edited by D. Stephenson, E. M. Shemang & T. R. Chaoka. 
 - Leiden :  A. A. Balkema Publishers,  2004 
 - xi, 576 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0415359139  RM1122.24 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology--Congresses.<br/>Water supply--Management--Arid regions--Congresses.<br/>Arid regions--Congresses.<br/>Water resources development--Congresses.