Stallings William <br/><br/>
Cryptography and network security principles and pracitice. 

 - Delhi  Person Education        2003 
 - 681p.  cm. 
<br/><br/><label>Standard No.: </label>51484 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D6,8(B),942, P3