Kormondy, Edward J.  1926- <br/><br/>
Concepts of ecology / 
Edward J. Kormondy 
 - New Jersey :  Prentice-Hall,  1976 
 - xiv, 238 p. :  ill. ;  23 cm. 
<br/><br/>Includes Indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology