000 00295nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.382
100 _aRagis J(Bud) Bates
245 0 _aVoice and Data communciation handbook
250 _a4
260 _bTata Mcgraw Hill
_c2003
942 _cBK
999 _c4676
_d4676