000 00392nam a2200157Ia 4500
008 231217s9999 xx 000 0 und d
041 _aEnglish
082 _a621.380413 ROD;6
100 _aRoddy, Dennis. Coolen, John
245 0 _aElectronic communications
250 _a4th ed.
260 _c1995
_bNew Delhi : PHI,
300 _aix+820
650 _aCommunications
942 _cAA
999 _c164364
_d164364