Bryce, James Y <br/><br/>
Using Isdn 

 - 2 
 - Beijing  Prentice Hall of India Private Ltd  1996 
 - 627 
<br/><br/><label>ISBN: </label>81-203-1304-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Using ISDN