000 00311nam a22001337a 4500
020 _a9788131705735
082 _a621.382 PRO
100 _aProakis G John
245 _aFundamentals of Communication Systems
260 _aNew Delhi
_bPearson
_c2007
300 _a858
650 _aApplied physics
942 _cBK
999 _c6514
_d6514