Stallings, William <br/><br/>
Network security essentials : applications and standards 
William Stallings 
 - 4th ed. 
 - New Delhi  Perason Education  2011 
 - 417 p. 
<br/><br/><label>ISBN: </label>9788131761755 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures
<br/><br/><label>Dewey Class. No.: </label>005.8