00833nam0-22002891i-450-99000051154040332120090730114837.0000051154FED01000051154(Aleph)000051154FED0100005115420020821d1970----km-y0itay50------baenga-------001yyFilter systems and designelectrical, microwave and digitalYale Jay LubkinReading, MassachusettsAddison-Wesley1970212 p.ill.24 cmFiltri elettrici621.381'532Lubkin,Yale Jay492084ITUNINARICAUNIMARCBK99000051154040332110 F I 1646833DINELDINELFilter systems and design330453UNINA