ISDN systems :  architecture, technology, and applications / 
editor, Pramode K. Verma ; contributors, Burton R. Saltzberg ... [et al.] 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1990 
 - 354 p. 
<br/><br/><label>ISBN: </label>0135057361 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Integrated services digital networks
<br/><br/><label>LC Class. No.: </label>TK5103.7  / I84