Toft, Peter <br/><br/>
Drinking water treatment small system alternatives 

 - Oxford :  Pergamon Press,  1989 
 - 346 p.  : ilus. ; gráfs. 
<br/><br/><label>LCCN: </label>38868 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua potable.<br/>Agua--Purificacion.
<br/><br/><label>Dewey Class. No.: </label>628.16  / T6