Klima, Richard E., <br/><br/>
Cryptology :  classical and modern / 
Richard Klima and Neil P. Sigmon. 
 - Second edition. 
 - London  CRC Press  2019 
 - xiii, 482 pages :  illustrations ; 
 - Chapman & Hall/CRC cryptography and network security series .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781138047624 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography.<br/>Cryptography<br/>Data encryption (Computer science)<br/>Ciphers.
<br/><br/><label>Dewey Class. No.: </label>005.824  / KLI