000 00338nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a013201856X
082 _a621.3815324 W716
100 _aWILLIAMS,C.S
245 0 _aDESIGNING DIGITAL FILTERS
260 _aLONDON
_bPrentice Hall
_c1986
300 _a24X18cms.,349p
942 _cBK
_2DDC
999 _c23260
_d23260