000 00359nam a2200133Ia 4500
008 190704s9999 xx 000 0 und d
020 _a81-203-0713-5
082 _a621.382 V822
100 _aVISHWANATHAN, T.
245 0 _aTELECOMMUNICATION SWITCHING SYSTEMS AND NETWORKS
260 _aNEW DELHI
_bPHI-Learning
_c2006
300 _axx+583p.,
942 _cBB
_2DDC
999 _c6920
_d6920