Gautam, Ruchi <br/><br/>
Elements of Ecology 

 - New Delhi  Arise Pub  2007 
 - 304p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>science--General Stack--EcologyBotany
<br/><br/><label>Dewey Class. No.: </label>577  / GAU-E