Forouzan, Behrouz A. <br/><br/>
Data Communications and Networking 
/ by Behrouz A. Forouzan 
 - 2nd ed. 
 - New Delhi:   Tata McGraw-Hill Publishing,   2003 
 - 944p. 
<br/><br/><label>ISBN: </label>9780070495098 
<br/><br/><label>Dewey Class. No.: </label>004.65  / FOR/D