William Stallings <br/><br/>
Network Security Essentials 

 - 4th 
 - Delhi,  Pearson Education,  2011. 
 - 417p. 
<br/><br/><label>ISBN: </label>9788131761755 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECE
<br/><br/><label>Dewey Class. No.: </label>791.443 STA