ASSISTIVE TECHNOLOGY FOR VISSUALY IMPARED AND BLIND PEOPLE <br/><br/>
ASSISTIVE TECHNOLOGY FOR VISSUALLY IMPARED AND BLIND PEOPLE 
Marion A.Hersh 
 - Glasgow  Springer  c2008 
 - xxvii,725p.;  ill,charts,graphs,photos 
<br/><br/> Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9781846288661 
<br/><br/><label>Dewey Class. No.: </label>362.4