00846nam0-22002891i-450-990000035590403321000003559FED01000003559(Aleph)000003559FED0100000355920011111d--------km-y0itay50------baitay-------001yyFrom the electron to the superheta simplified course for radio service manJ. Otte , Ph. F. Salverda , C. J. VanWilligen.EindhovenPhilips technical library1958<688> p.ill.28 cm621.384 18Otte,JanSalverda,Ph. F.Van Willigen,C. J.ITUNINARICAUNIMARCBK99000003559040332113 B 57 0923606FINBCFINBCUNINAING01