Smith, Thomas M. Smith, Robert Leo <br/><br/>
Elements of ecology / 
by Thomas M. Smith and  Robert Leo Smith  
 - 6th ed. 
 - New Delhi :  Pearson,  2006. 
 - 658 p.  Paper Back 
<br/><br/><label>ISBN: </label>9788131715574 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Ecosystem<br/>Population<br/>Aquatic ecosystem
<br/><br/><label>Dewey Class. No.: </label>577  / THO-E