Hammer, Mark J <br/><br/>
Water and Waste water technology   
by Mark J Hammer and Mark J Hammer 
 - 6th ed 
 - New Delhi  Prentice-Hall  2008 
 - ix, 553p 
<br/><br/><label>ISBN: </label>9788120334991 
<br/><br/><label>Dewey Class. No.: </label>628.168  / P08;1