000 00302nam a2200109Ia 4500
008 220601s2011 xx 000 0 eng d
100 _aSHARMA,SANJAY
245 0 _aCOMMUNICATION SYSTEMS(ANALOG AND DIGITAL)
250 _a5TH REP. Ed.
260 _c2011
_aNew Delhi
_bS.K.KATARIA & SONS
942 _2ddc
_cBTECH
999 _c3044
_d3044