The middle years  quality of life. 

 - Acton, Mass.  Publishing Sciences Group  [1974] 
 - 175 p.  26 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0884160108 0884160106 
<br/><br/><label>LCCN: </label>73085402  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Middle Age--Congresses.