000 00248 a2200097 4500
020 _a9781259004605
100 _aSINGH R.P. / SAPRE, S.D.
245 _aCOMMUNICATION SYSTEMS: ANALOG AND DIGITAL
250 _a3
260 _bMcGraw Hill, TAMIL NADU
_c2017
999 _c84522
_d84522