Smith, Thomas M <br/><br/>
Elements of ecology 
by Thomas M. Smith and Robert Leo Smith 
 - 6th ed. 
 - New Delhi  Pearson Education  2007 
 - xiii, 658p. 
<br/><br/><label>ISBN: </label>81-317-1557-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / SMI/E