Forouzan, Behrouz A. <br/><br/>
Data communications and networking 
Behrouz A. Forouzan 
 - 2nd ed. 
 - New Delhi  Tata McGraw-Hill  2003 
 - xxx , 908p 
<br/><br/><label>Dewey Class. No.: </label>004.6 F 769 D -2