Stallings,William <br/><br/>
ISDN & broadband ISDN with frame realy & ATM 4/E 

 - Vidhyanagar  Pearson Education    Asia  2003 
<br/><br/><label>ISBN: </label>81-7808-422-8 
<br/><br/><label>Dewey Class. No.: </label>4.6  / STA