Comer, Douglas E <br/><br/>
Computer networks and internets with internet applications. 4th Ed./ 
Douglas E. Comer; M S Narayanan 
 - 4th 
 - New Delhi:  Pearson;  2009 
 - 589p. 
<br/><br/><label>ISBN: </label>9 788177 589276 
<br/><br/><label>Dewey Class. No.: </label>004.7  / COM