A guide to the study of freshwater ecology / 
contributing authors: Daniel G. Stoker, ...[et al], Editor: William A. Andrews. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  c1972. 
 - ix, 182 p. :  ill. 
 - Contours: studies of the environment .
<br/><br/><label>ISBN: </label>033708667 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater ecology