Stallings, William <br/><br/>
Network Security Essentials:  
William Stallings 
 - USA:  PEARSON;  2013. 
 - xiv,416 p. :  ill;  24 cm. 
<br/><br/> include index. 
<br/><br/><label>ISBN: </label>9788131761755 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Security
<br/><br/><label>Dewey Class. No.: </label>621.317  / STA-N