Peter Bonnici <br/><br/>
Visual language:  the hidden medium of communication 
Peter Bonnici 
 - 1st. 
 - New York  RotoVision SA  1999 
<br/><br/><label>ISBN: </label>9782880463885 
<br/><br/><label>Dewey Class. No.: </label>741.6  / 3262