Readings in aquatic ecology 
edited by Richard F. Ford, William E. Hazen 
 - Philadelphia  W. B. Saunders  1972 
 - vi, 397 p. : ill. ; 26 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0721638104 
<br/><br/><label>LCCN: </label>77-188388 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic ecology