8th International Conference on Wetland Systems for Water Pollution Control, volume 2 sections ix-xv 

 - Dar es Salaam  : Comprint International Limited,  2002 
 - 1220 p.  : ill.  ; 24cm. 
<br/><br/>Includes bibliography 
<br/><br/><label>ISBN: </label>9987689019 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Constructed wetlands<br/>Sewage<br/> Purification<br/>Biological treatment<br/>Congresses
<br/><br/><label>LC Class. No.: </label>WRE TD756.5. I59