00916nam0-22003251i-450-99000049802040332120140219124913.0000049802FED01000049802(Aleph)000049802FED0100004980220020821d1942----km-y0itay50------baenga-------001yyElectromechanical transducers and wave filtersWarren P. MasonNew YorkVan Nostrandc1942333 p.ill.24 cmCircuiti elettriciFiltri elettrici621.3Mason,Warren Perry12561ITUNINARICAUNIMARCBK990000498020403321FIS.D.161582DARCO10 C I 2482696DINELDINELDARCOElectromechanical transducers and wave filters330162UNINA