DAVID ANGELL <br/><br/>
ISDN FOR DUMMIES 

 - 2 
 -  COMDEX COMPUTER PUBLISHING.  1990 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER SCIENCE NETWORKS 
<br/><br/><label>Dewey Class. No.: </label>004.66  N6 (MCA)  / DAV