Birren, James E, Ed., at al. <br/><br/>
Journal of Gerontology, Vol.28 (1-4) 

 -  Gerontological Society,  1973 
 - 564 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Journal of Gerontology
<br/><br/><label>Universal Decimal Class. No.: </label>JG-28  / (1-4)