Alistair <br/><br/>
Extra Ordinary Human Computer Interaction : Interfaces for Users With Disabilities 

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 -  Cambridge University  Press  1995 
 - 383 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-521-43413-0 
<br/><br/><label>Dewey Class. No.: </label>004.5