Johnson, M L, Ed.; Abercrombie, Michael, Ed. <br/><br/>
New biology, Vol.4 

 -  Penguin Books, London  1947 
 - 159 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>574  JOH-N.4