H X Mel, Doris Baker <br/><br/>
Cryptography decrypted 

 - Addison-Wesley, Boston  c2001 
 - xx,352p 
<br/><br/><label>ISBN: </label>0-201-61647-5 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>001.5436 Mel/Bak