000 00317nam a2200121Ia 4500
008 220601s2007 xx 000 0 eng d
100 _aSHARMA,SANJAY
245 0 _aCOMMUNICATION SYSTEMS(ANALOG AND DIGITAL)
250 _a3rd Ed.
260 _c2007
_aNew Delhi
_bS.K.KATARIA & SONS
300 _a852
942 _2ddc
_cBTECH
999 _c1540
_d1540