Bryce, James Y. <br/><br/>
Using ISDN   
by James Y Bryce 
 - 2nd ed. 
 - Indianapolis  Que  1996 
 - xxiv, 627p 
<br/><br/><label>ISBN: </label>0789708434 
<br/><br/><label>Dewey Class. No.: </label>621.382  / N96