Gopal, Brij N. Bhardwaj <br/><br/>
Elements of Ecology 
/ by Brij Gopal 
 - New Delhi :  Vikas Publishing,  1979 
 - VI, 200 p. 
<br/><br/><label>ISBN: </label>0-7069-0754-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Ecology, Environmental  Biology, Enviromental Science
<br/><br/><label>Dewey Class. No.: </label>577  / GOP-E