000 00301nam a2200121Ia 4500
008 191201s2011 xx 000 0 und d
100 _aSHARMA, sanjay
245 0 _aCommunication Systems Analog and Digital
260 _c2011
_bkatson
_aN. delhi
300 _a1010
650 _aCSE
942 _2ddc
_cBB
_02
999 _c7461
_d7461