Griffins,john  <br/><br/>
Isdn explained worldwide explained network and applications technology  

 - 3rd. ed. 
 - Wiley  
<br/><br/><label>ISBN: </label>0471979058 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Intergrated service digital networks 
<br/><br/><label>Dewey Class. No.: </label>004.66 GRI