Corera, Gordon <br/><br/>
Intercept: the secret history of computers and spies 

 - London  Weidenfeld & Nicolson  2015 
 - 431p. 
<br/><br/><label>ISBN: </label>9780297609452 
<br/><br/><label>Dewey Class. No.: </label>327.1241  C812I