Stallings, William  . <br/><br/>
Network security essentials applications and standards /  
by William Stallings. 
 - 3rd ed /  
 - Delhi :   Pearson Education(Singapore) Pte. Ltd. ,   2000 
 - 366p :  
<br/><br/><label>ISBN: </label>81-7808-307-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>BV  / P0S;1