The biology of ageing / 
edited by W. B. Yapp and G. H. Bourne. 
 - London  ,  1957. 
 - xiv, 128 p. :  ill. ;  23 cm. 
 - Its Symposia ;  no. 6. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age.
<br/><br/><label>Dewey Class. No.: </label>574.1353