ERVIN , JAMES <br/><br/>
DATA COMMUNICATIONS AND NETWORKS: ENGINEERING APPROACH  

 - NEWDELHI  WILEY DREAM TECH INDIA PVT. LTD  2006 
 - XVIII-262 
<br/><br/><label>ISBN: </label>8126507659 
<br/><br/><label>Dewey Class. No.: </label>004.6 O06