Wetzel, Robert G. <br/><br/>
Limnology / 
Robert G. Wetzel 
 - 2nd ed. 
 - Philadelphia :  W. B. Saunders,  1983 
 - xii, 767 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0030579139 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limnology