ISDN systems :  architecture, technologyand applications / 
edited by Pramode K. Verma. . . [et al. ] 
 - New Jersey :  Prentice-Hall,  c1990 
 - xii, 354 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0135057361 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Integrated services digital networks
<br/><br/><label>Dewey Class. No.: </label>004.6