Covington, George A. <br/><br/>
Access by design 
George A. Covington, Bruce Hannah. 
 - New York  Van Nostrand Reinhold  c1997. 
 - 240 p.  ill.  29 cm. 
<br/><br/>Includes bibliographical references (p. 223-228) and index. 
<br/><br/><label>ISBN: </label>0442021267 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Barrier-free design--United States.