Isdn Explained Worldwide Network and Applications Technology
Griffiths John M.
Isdn Explained Worldwide Network and Applications Technology - Second Edition - New Work JOhn Wiley & Sons 1990 - xiv, 239p
0471934801
621-382 / G87I
Isdn Explained Worldwide Network and Applications Technology - Second Edition - New Work JOhn Wiley & Sons 1990 - xiv, 239p
0471934801
621-382 / G87I