Barr, Thomas H <br/><br/>
Invitation to cryptology 
Thomas H. Barr 
 - Upper Saddle River, NJ  Prentice Hall  c2002 
 - xii, 396 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references (p. 363-369) and index 
<br/><br/><label>ISBN: </label>9780130889768 
<br/><br/><label>ISSN: </label>2001036589 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciphers<br/>Cryptography
<br/><br/><label>Dewey Class. No.: </label>652.8 BAR