Gopal,Brij <br/><br/>
Elements of Ecology/ 
by Brij Gopal and N.Bhardwaj 
 - India:  Vikas Publishing House,  1979. 
 - 200p. 
<br/><br/><label>ISBN: </label>0706909739 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology	
<br/><br/><label>Dewey Class. No.: </label>577  / GOP/E