Grady, Leslie C.P.  1938 <br/><br/>
Biological wastewater treatment:  C.P.Leslie Grady, Jr., Glen T. Daigger,Henry C. Lim. 

 - 2nd ed. rev. and expanded. 
 - xii, 1076 pages:  illustration;  26cm. 
 - Environmental science and pollution control series  19. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0824789199 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage.