Goldstein, Fred R. <br/><br/>
ISDN in perspective 

 - Reading, Mass. :  Addison-Wesley Pub.Co.,  1992 
 - 246 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INTEGRATED SERVICES DIGITAL NETWORKS
<br/><br/><label>LC Class. No.: </label>TK5103.75  / G642I