Black, U D <br/><br/>
Data Communication & Distributed Networks 
by U D Black 
 - 3rd 
 - New Delhi  PHI.Newdehli  2009 
<br/><br/> Engineering 
<br/><br/><label>ISBN: </label>8-1203-0925-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer & IT