000 00303nam a22001337a 4500
082 _a621.382
_bKEN/E
100 _aKennedy,George
245 _aElectronic Communication Systems
250 _a5
260 _aNew Delhi
_bMc Graw Hill Education
_c2011
300 _a630
650 _aPhysics
942 _cBK
999 _c33876
_d33876