000 00302nam a22001337a 4500
999 _c5292
_d5292
020 _a9971511460
082 _a621.382 SHA
100 _aShanmugham Sam
245 _aDigital and Analog Communication Systems
260 _aIndia
_bWiley
_c2004
300 _a600
650 _aApplied physics
942 _cBK