000 00308nam a2200121Ia 4500
008 241124s9999 xx 000 0 und d
100 _aSchoenbeck, R.J.
245 0 _aElectronic Communication: Modulation and Transmission
260 _bPrentice Hall of India
260 _c2001
300 _a645
942 _cBK
999 _c2496
_d2496