Warren, Charles E., <br/><br/>
Biology and water pollution control 

 - Philadelphia,  Saunders,  1971. 
 - xvi, 434 p.  illus.  27 cm. 
<br/><br/><label>ISBN: </label>072169120X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water<br/>Freshwater ecology.
<br/><br/><label>Dewey Class. No.: </label>574 SAU 1971 A080 Or.