Hopkins, Gerald L <br/><br/>
The ISDN literacy book 

 - New York  Addison Wesley, c  1995 
 - xvi, 367p. 
<br/><br/><label>ISBN: </label>0201629798 
<br/><br/><label>Subjects--Topical Terms: </label><br/>681.324--Integrated services digital networks
<br/><br/><label>Universal Decimal Class. No.: </label>681.324  / HOP