Bauer,Craig P <br/><br/>
Secret history: the story of cryptology/ 
Craig P. Bauer 
 - Boca Raton :  CRC Press   2013 
 - xxv. 594 p :  ill.  24cm 
 - Discrete mathemathics and its application .
 - Discrete mathematics and its application  76 .
<br/><br/>Includes bibliogrphical references and index 
<br/><br/><label>ISBN: </label>9781466561861