Preiser, Wolfgang. Smith, Korydon H. <br/><br/>
Universal design handbook 

 - 2nd ed. 
 - New York  McGraw-Hill  2011 
 - xxviii, 45.12+I.21 
<br/><br/><label>ISBN: </label>9780071629232 
<br/><br/><label>Dewey Class. No.: </label>720.87  PRE;1  R