Hammer, Mark J.    <br/><br/>
Water and wastewater technology /  
Mark J. Hammer and Mark J. Hammer Jr.    
 - 3rd.ed.    
 - Upper Saddle River,NJ :  Prentice Hall,   1996    
 - vi,519p. :  ill.;   27 cm    
<br/><br/>Includes index    
<br/><br/><label>ISBN: </label>0134700236    
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal   <br/>Water supply engineering