Trivedi, P. R. <br/><br/>
Environmental ecology  
P. R. Trivedi 
 - 1st ed. 
 - New Delhi  Akashdeep Publishing House  2002 
 - v, 502p. 
<br/><br/><label>ISBN: </label>81-7158-243-5 
<br/><br/><label>Dewey Class. No.: </label>574.24  / TRI