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

 - 3rd ed 
 -   Prentice Hall, Inc.  ©1995 
<br/><br/><label>ISBN: </label>9780131809444  63.25 
<br/><br/><label>Dewey Class. No.: </label>004.64 STA.3