Ramalho, R. S. <br/><br/>
Introduction to wastewater treatment processes / 
R.S. Ramalho. 
 - 2nd ed. 
 - New York :  Academic Press,  c1983. 
 - ix, 580 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographies. 
<br/><br/>
<br/><br/><br/>english 
<br/><br/><label>ISBN: </label>0125765606 
<br/><br/><label>LCCN: </label>82008823  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification.
<br/><br/><label>LC Class. No.: </label>TD745  / .R36 1983 
<br/><br/><label>Dewey Class. No.: </label>628.3/RAI