000 00297nam a2200121Ia 4500
008 220601s2005 xx 000 0 eng d
100 _aRODDY,DENNIS
245 0 _aELECTRONIC COMMUNICATIONS
250 _a4th Ed.
260 _c2005
_aNew Delhi
_bPEARSON EDUCATION
300 _a820
942 _2ddc
_cBTECH
999 _c499
_d499