000 00247nam a2200097Ia 4500
008 220201s1988 xx 000 0 eng d
100 _aHAYKIN (SIMON)
245 0 _aDIGITAL COMMUNICATIONS
260 _bJOHN WILEY & SONS NEW YORK
_c1988
942 _2ddc
999 _c94971
_d94971