Panko R R <br/><br/>
Business data networks and telecommunications 
Panko R R 
 - 4 
 - New Jersey  New Jersey, Prentice Hall  2003 
 - xxix,527 
<br/><br/><label>ISBN: </label>0-13-035914-9 
<br/><br/><label>Source: </label>Textbook