Koncelik, Joseph A. <br/><br/>
Aging and the product environment/ 
Joseph A. Koncelik 
 - Stroudsburg, Pennsylvania :   Hutchinson Ross pub. company,  c1982. 
 - xii 201 pages ;   24 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>0-87933-428-2 
<br/><br/><label>Dewey Class. No.: </label>Circ. 745.2 K79a 1982