Comer, Douglas E. <br/><br/>
Computer Networks and Internets 

 - 2nd Edition 
 - London  Pearson Education, Inc  2001 
 - 778p. 
<br/><br/><label>ISBN: </label>9788178080864 
<br/><br/><label>Dewey Class. No.: </label>004  / COM/C