000 00313nam a2200121Ia 4500
008 201005s9999 xx 000 0 und d
082 _a621.382
100 _aSharma, Sanjay
245 0 _aCommunication system (analog and Digital
260 _aNew Delhi
_bS.K. Kataria & Sons
_c2011
300 _a525
942 _cBK
999 _c35667
_d35667