Subramanyam; N.S <br/><br/>
Ecology / 
Subramanyam; N.S. 
 - 2nd ed 
 - New Delhi:  Narosa publishing House,  2011. 
 - 1.21p;24cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9788173197406 
<br/><br/><label>Dewey Class. No.: </label>574.5 SUB