Etherington john r. <br/><br/>
Environment and plant ecology 

 - New delhi  Wiley eastern   1975 
<br/><br/><label>ISBN: </label>0 85226 2434 
<br/><br/><label>LC Class. No.: </label>581.5/ETH 
<br/><br/><label>Dewey Class. No.: </label>581.5/ETH