000 00289nam a2200121Ia 4500
008 220201s1999 xx 000 0 eng d
082 _a621.381
_bCAR
100 _aCarne, E.B.
245 0 _aTelecommunication topics
260 _aDelhi
_bPrentice Hall
_c1999
300 _a415
942 _2ddc
999 _c36116
_d36116