Stinson Douglas R Ed. <br/><br/>
Cryptography theory and pratice 
Stinson Douglas R Ed. 
 -  1995 
<br/><br/><label>Standard No.: </label>10969 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D6,8(B),942, N5