Hardy  <br/><br/>
Applied algebra : codes, ciphers, and discrete algorithms  
/ Darel W. Hardy, Fred Richman, Carol L. Walker. 
 - 2nd ed.. 
 - Boca Raton  CRC Press  2009. 
 - 410p.  ill.  24cm. + 1 CD-ROM (4 3/4in.) 
 - Discrete mathematics and its applications .
<br/><br/> "A Chapman & Hall book."  Includes bibliographical references (p. 395-396) and index. 
<br/><br/><label>ISBN: </label>9781420071429  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coding theory<br/>Computer security--Mathematics
<br/><br/><label>Dewey Class. No.: </label>003.54 HAR 2009