Tanenbaum, Andrew S <br/><br/>
Computer networks 

 - 4 
 - New Delhi  Pearson Education  2003 
 - xx, 891p. : ill. ;  
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>8120321758 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>Network security