Stallings, William  <br/><br/>
Network Security Essentials: Applicatios and Standards  

 - 3rd  
 - New Delhi;  Pearson Education (P) Ltd.   2009 
<br/><br/><label>ISBN: </label>9788131716649 
<br/><br/><label>Dewey Class. No.: </label>005.822   / STA