Smith, Robert Leo Smith, Thomas M. <br/><br/>
Elements of ecology 

 - 6th 
 - New Delhi  Pearson  2009 
 - xxiv, 658 
<br/><br/><label>ISBN: </label>9788131715574 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biodiversity<br/>Ecosystems<br/>Environment-Ecology