00431nam a2200157Ia 4500008004100000020001300041082002000054100002600074245002500100250000700125260005100132300002900183500001900212600002700231650001500258240925s9999    xx            000 0 und d  a30592461  a621.3815324 VAN  aValkenburg ,M. E. Van 0aAnalog Filter Design  aNA  aNew York:bSaunders College Publishingc,1982.  axxiii,946p.bNAfPirated  aIncludes Index  aEngineering Technology  aTechnology