000 00342pam a2200157a 44500
008 230515b1982 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aN.D.
100 _aVAN VALKENBURG
245 _aANLOG FILTER DESIGN
250 _a0
260 _aNULL
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300 _a608
650 _aNULL
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_d583168