Diffuse pollution of water resources principles and case studies in the Southern African Region / 
editor, R. Hranova 
 - London :  Taylor & Francis,  2006 
 - 272 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0415383919 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution--Africa, Southern<br/>Nonpoint source pollution--Africa, Southern