000 00299nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a621.3821
_bSHA
100 _a SHARMA (SANJAY)
245 0 _aCommunication Systems : Analog and Digital
260 _b S.K.KATARIA & SONS
_a New Delhi
942 _cBK
999 _c2999
_d2999