000 00421nam a2200169Ia 4500
008 250104s9999 xx 000 0 und d
020 _a978-81-7756-558-2
082 _a621.382
_bROD
100 _aRoddy Dennis.
245 0 _aElectronic communications
250 _a4th edition.
260 _aNew Delhi :
_b Pearson
_c2011.
300 _a723.
365 _a499
650 _aEngineering,
700 _aCoolen John
999 _c225617
_d225617