GOPAL, Brij Bhardwaj, N. <br/><br/>
Elements of ecology 
/[by] Brij Gopal, N.Bhardwaj 
 - New Delhi  Vikas pub.  1979 
 - 200 p. 
<br/><br/> Includes bibliography & index. 
<br/><br/><label>ISBN: </label>070690754X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / GOP