000 00306nam a2200133Ia 4500
100 _aHaykin simon
942 _cBK
654 _aanalog & digital
245 _aIntroduction to analog & digital communications
260 _bJohn wiley
_aNew York
_c1989
300 _a652
546 _aENGLISH
999 _c27450
_d27450