Griffiths, Johm. M. <br/><br/>
ISDN explained: world wide network and apllication technology 

 - 3 
 - New York  John Wiley  1988 
 - xiv,291p. 
<br/><br/>   
<br/><br/><label>ISBN: </label>0-471-97905-8 
<br/><br/><label>Subjects--Index Terms: </label>Integrated SeriesDigital Networks  Network 
<br/><br/><label>Universal Decimal Class. No.: </label>004.724ISDN