Alderson, Ann <br/><br/>
Stairs, ramps, and escalators :  inclusive design guidance / 
[Ann Alderson] 
 - London :  Centre for Accessible Environments ;  2010 
 - xi, 116 p. :  col. ill. ;  30 cm. 
<br/><br/>Includes bibliographical references (p. 105-108) and index 
<br/><br/><label>ISBN: </label>9781859463659 (pbk.)  RM151.39 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stairs<br/>Ramps (Walkways)<br/>Escalators