Cryptography and secure communications / 
Rhee, Man Young 
 - Singapore :  McGraw-Hill Book Co.,  c1994 
 - xxiii,504 pages :  ills.;  24cm.  Includes bibliographic references and indexes. 
<br/><br/><label>ISBN: </label>0 07 112502 7 
<br/><br/><label>Subjects--Personal Names: </label>--Telecommunication systems--security measures.
<br/><br/><label>Dewey Class. No.: </label>005.8 RHE