The human factors of transport signs / 
edited by Candida Castro, Tim Horberry 
 - Boca Raton, Florida :  CRC Press,  2004 
 - 273 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0415310865 (hbk.)  RM466.12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic signs and signals<br/>Human engineering