000 00251nam a22001097a 4500
100 _aSharma Sanjay
_97543
245 _aCommunication Sytems
250 _a6th ed.
260 _aNew Delhi
_bS.K. Kataria & Sons
_c2013
300 _a1161 pg.
942 _cBOOK
999 _c11200
_d11200