STALLINGS(William) <br/><br/>
ISDN and broadband ISDN with frame relay and ATM 

 - 4th ed. 
 -  Prentice Hall  2000 
 - Pbk xvi p. + 542 
<br/><br/><label>ISBN: </label>981-4035-77-7 
<br/><br/><label>Source: </label>6770