Davis, Richard <br/><br/>
Water quality :   wastewater treatment 

 - Washington D.C :  The World Bank  ,  2003. 
 - 32p. :  ill. ;  28cm. 
 - .
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality<br/> Water treatment<br/> Water, Polluition
<br/><br/><label>LC Class. No.: </label>IRA QTO TD345.E59 No.D.2