Wetzel, Robert G <br/><br/>
Limnology / 
Robert G. Wetzel.  
 - 2nd ed. 
 - Philadelphia :  Saunders College Publishing,  c1983. 
 - xii, 110 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0030579139 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limnology.
<br/><br/><label>LC Class. No.: </label>QH96  / ..W4884 1983