Arora, Mohan P. <br/><br/>
Ecology 

 - V 
 - Mumbai  Himalaya Publishing House.  2004 
 - 540p 
 -  nt .
<br/><br/><label>ISBN: </label>81-7866-784-3 
<br/><br/><label>Dewey Class. No.: </label>577  / 123