Delfs, Hans. Knebl, Helmut. <br/><br/>
Introduction to Cryptography  Principles and Applications 

 - New York  Springer  2002 
 - xvi+310p.,22X15Cms. 
<br/><br/><label>ISBN: </label>3540422781 
<br/><br/><label>Dewey Class. No.: </label>621.38196428 D351