Smith, T.M.  <br/><br/>
Elements of ecology / 
Thomas, M. Smith, and Robert, L. Smith. 
 - 6th ed 
 - San- Francisco  Pearson.  2006 
 - xxiv, 658p. : ill. ;  pbk 
<br/><br/><label>ISBN: </label>0321410297 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecosystem<br/>Ecology
<br/><br/><label>LC Class. No.: </label>QH541.S5 2006