The New Encyclopedia Britannica     vol. 23 

 - Chicago:  Pub.Encyclopedia Britannica  0 
 - 928 pages 
 - 15 th ed. .
<br/><br/><label>ISBN: </label>852295537 
<br/><br/><label>Subjects--Index Terms: </label>The New Encyclopedia Britannica. Macropedia. Knowledge in Depth. Vol. 23. Light - Metabolism.  
<br/><br/><label>Dewey Class. No.: </label>30  / N532