Stallings  <br/><br/>
ISDN : an introduction  
/ William Stallings. 
 - New York  Macmillan  1989. 
 - xii, 418p.  ill.  25cm 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 397-405 
<br/><br/><label>ISBN: </label>002946028x  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Integrated services digital networks
<br/><br/><label>Dewey Class. No.: </label>004.6 STA 1989