Hershey, John, E. <br/><br/>
Cryptography Demystified  

 - New York  McGraw-Hill  2003 
 - x+356p.,23X18Cms. 
<br/><br/><label>ISBN: </label>0071406387 
<br/><br/><label>Dewey Class. No.: </label>621.38196428 H572