000 00244nam a2200109Ia 4500
008 200701s1998 xx 000 0 eng d
100 _aBOLTON.A.G
245 0 _aANOLOGUE FILTER DESIGN
260 _bS CHAND
_c1998
300 _a216
942 _2ddc
_cGE
999 _c692
_d692