000 00293nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.382
100 _aGeorge Kennedy
245 0 _aElectronic Communication Systems 3rd Ed.
250 _a3
260 _bTmh New Delhi
_c1993
942 _cBK
999 _c34866
_d34866