000 00387nam a2200157Ia 4500
999 _c19517
_d19517
008 190711s9999 xx 000 0 und d
020 _a0074636820
082 _a621.382 T655
100 _aKennedy, George
100 _aDavis, Bernard
245 0 _aElectronic Communications System .
250 _a4
260 _aNew Delhi
_bTata McGraw Hill
_c1993
300 _a24X19
942 _cBK