Universal design :  principles and models / 
editor Roberta Null 
 - Boca Raton :  CRC Press,  2014 
 - xiv,380 p. :  ill. ;  29 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781466505292 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Universal design