Grubb P J; Whittaker J B <br/><br/>
Toward a more exact ecology 
Grubb P J; Whittaker J B 
<br/><br/><label>ISBN: </label>SL01025303 
<br/><br/><label>Standard No.: </label>196026 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:5, M9