Stallings, William. <br/><br/>
ISDN and broadband ISDN with frame relay and ATM / 
William Stallings. 
 - 4th ed. 
 - Upper Saddle River, N.J. :  Prentice-Hall,  c1999. 
 - xvi, 542 p. : 
<br/><br/><label>ISBN: </label>0139737448 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Integrated services digital networks.
<br/><br/><label>Dewey Class. No.: </label>004.62 St18 Is