Ball, Geoffrey <br/><br/>
No More Laughing at the Deaf Boy :   a Technological Adventure between Silicon Valley and the Alps / 
	Geoffrey Ball 
 - Innsbruck :   Haymon Verlag,   2011 
 - 352 p. 
<br/><br/><label>ISBN: </label>9783852187143 
<br/><br/><label>Dewey Class. No.: </label>617.809 2 BAL