Human aging : a biological and behavioral study /  
editores, James E. Birren ... [et al.] 
 - Bethesda :  Department of Health, Education, and Welfare (HEW),  1963 
 - xi, 328 p. 
 - Public health service publication;   986 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Envejecimiento --Psicología
<br/><br/><label>Dewey Class. No.: </label>612.67 H918