00357nam a2200145Ia 4500008004100000020001800041041000800059082002200067100001700089245002900106260003500135300000800170365001600178700001700194230718s9999    xx            000 0 und d  a9780195680874  aeng  a621.3815'324bSCH  aSchaumann R.  aDesign of Analog Filters  c2010bOxford  University Press  a737  cRs.b385.00  aSchaumann R.