Fundamentals of ecology and environmental biology 
S.C. Santra 
 - New Delhi  New Sentral Book Agency  2010 
 - 718p. 
<br/><br/><label>ISBN: </label>978-81-7381-605-5  rS. 650/- 
<br/><br/><label>Dewey Class. No.: </label>574.5  / S237