Stallings, William  <br/><br/>
Data and computer communications 

 - 9th ed. 
 - Noida  Pearson  2014 
 - 864p. 
<br/><br/><label>ISBN: </label>9789332518865 
<br/><br/><label>Subjects--Index Terms: </label>Computer networks Data transmission systems 
<br/><br/><label>Universal Decimal Class. No.: </label>004.7  / STA