000 00428nam a2200169Ia 4500
008 241225s9999 xx 000 0 und d
020 _a8120309847
082 _a621.382
_bROD
100 _aRoddy, Dennis
245 0 _aElectronic communications
250 _a4th edition.
260 _aNew Delhi :
_bPrentice Hall Of India,
_c2007
300 _a820.
365 _a350
650 _aApplied physics
700 _aCoolen, John.
999 _c19531
_d19531