Water Science & Technology:  Wetland Systems for Water Pollution Control viii 
Editors: B Shutes and J katima 
 - London  IWA  2003 
 - 316p. 
<br/><br/> P.B 
<br/><br/><label>ISBN: </label>1843394502 
<br/><br/><label>Dewey Class. No.: </label>628.1 WAT