000 00283nam a22001217a 4500
999 _c1269
_d1269
020 _a9788126509324
082 _a621.382
100 _aSimon Haykin
245 _aAn introduction to analog and digital communicatons
260 _aNew Delhi
_bWiley
_c2008
300 _a652
942 _cBK