Hammer,Mark j. <br/><br/>
Water and Wastewater Technology 
Mark j.Hammer 
 - international ed. 
 - USA  Prentice Hall International  1996. 
 - 519p 
<br/><br/> P.B 
<br/><br/><label>ISBN: </label>0134700236 
<br/><br/><label>Dewey Class. No.: </label>628.1 HAM