William  Stallings <br/><br/>
Isdn And Broadband Isdn With Frame Relay And Atm 

 - 4th ed 
 -   Prentice-Hall, Inc.  ©1999 
<br/><br/><label>ISBN: </label>9780139737442  199.9 
<br/><br/><label>Dewey Class. No.: </label>004.62 STA.4