00752nam0-22002891i-450-99000050665040332120070406095816.0000050665FED01000050665(Aleph)000050665FED0100005066520020821d1978----km-y0itay50------baengUSa-------001yyPassive and active microwave circuitsJ. HelszasnNew YorkWiley1978274 p.ill.23 cmDispositivi a microonde621.381'32Helszajn,JosephITUNINARICAUNIMARCBK99000050665040332110 E III 205L/44DINELDINELUNINA