Smith, T. M., <br/><br/>
Elements  of  Ecology 

 - 6th /   2006. 
 - Delhi:  Dorling Kindersley India Pvt. Ltd.,  2006. 
 - 658p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Botany., Ecology. 
<br/><br/><label>Dewey Class. No.: </label>577