Wetzel, Robert G. <br/><br/>
Limnology / 
Robert G. Wetzel. 
 - Philadelphia :  W. B. Saunders Company  1975. 
 - xii, 743 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0721692400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limnology.
<br/><br/><label>LC Class. No.: </label>QH96   / .W47 
<br/><br/><label>Dewey Class. No.: </label>551.4/82