000 00276nam a2200109Ia 4500
008 230222s9999 xx 000 0 und d
100 _aHuelsman
245 0 _aActive & passive analog filter design:an introd
250 _a1
260 _bMcgraw Hill, New York
_c1993
942 _cBK
999 _c3429
_d3429