Eberspacher, Jorg. Jorg Vogel,Hans. Bettstetter,Christian.
GSM Switching, Services and Protocols, Second Edition. - 2 - Chichester Wiley 2001 - xiv+332p.,25X17Cms.
047149903X
621.384 E16
GSM Switching, Services and Protocols, Second Edition. - 2 - Chichester Wiley 2001 - xiv+332p.,25X17Cms.
047149903X
621.384 E16