00566cam|a2200157 i 450000500170000000800410001702000150005803500150007305000180008824501400010626000510024630000110029765000410030870000280034970000310037720260818144511.0050207s1990    us      r     000|0 eng d  a0135057361  a.b1038343800aTK5103.7bI8400aISDN systems :barchitecture, technology, and applications /ceditor, Pramode K. Verma ; contributors, Burton R. Saltzberg ... [et al.]  aEnglewood Cliffs, N.J. :bPrentice-Hall,c1990  a354 p. 0aIntegrated services digital networks1 aVerma, Pramode K.,eed.1 aSaltzberg, Burton R.,eed.