Knight C B <br/><br/>
Basic concepts of ecology 

 - New York  Macmillan          1965 
 - xii, 468p.  cm. 
<br/><br/><label>Standard No.: </label>39621 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:5, K51;1