S Keshav <br/><br/>
Engineering approach to computer networking  Atm,Networks,the Internet and the Telephone Network 
S Keshav 
 - New Delhi  Pearson  2012 
 - 642.p. 
<br/><br/><label>ISBN: </label>0-201-52629-8 
<br/><br/><label>Dewey Class. No.: </label>004.738.5  / KES