Parker, Homer W <br/><br/>
Waste Water Systems Engineering 

 - New Delhi  Prentice Hall  1978 
 - p.412 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution Parameters<br/>Microbiology<br/>Sewage Treatment
<br/><br/><label>Dewey Class. No.: </label>628.16 P239W