000 00256nam a2200109Ia 4500
008 160710s1992 xx 000 0 und d
100 _aCUNNINGHAM ,E.P.
245 _aDIGITAL FILTERING
260 _bHOUGHTON MIFFIN
_c1992
300 _a536
942 _2ddc
_cB
999 _c52780
_d52780