Nichols, Randall K. <br/><br/>
ICSA guide to cryptography / 
Randall K. Nichols. 
 - London :  McGraw-Hill,  1999. 
 - xxxix, 837 p. :  ill. ;  24 cm.  + 1 computer laser optical disc (4 3/​4 in.) 
<br/><br/> Accompanying CD-ROM held at Circulation Desk : DD441. 
<br/><br/><label>ISBN: </label>0079137598