Barr, Thomas H. <br/><br/>
Invitation to cryptology / 
Thomas H. Barr 
 - Upper Saddle River, N.J. :  Prentice Hall,  c2002 
 - 396 p. :  ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0130889768 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CRYPTOGRAPHY<br/>CIPHERS
<br/><br/><label>LC Class. No.: </label>Z103  / B377I