00798nam0-22002891i-450-99000049174040332120071025135219.0000049174FED01000049174(Aleph)000049174FED0100004917420020821d1959----km-y0itay50------baenga-------001yyMagnetic amplifier engineeringGeorge M. AtturaNew YorkMcGraw-Hill1959220 p.ill.23 cmAmplificatori magnetici621.381'535Attura,George M.26640ITUNINARICAUNIMARCBK99000049174040332110 E I 233607DINELDINELMagnetic amplifier engineering333020UNINA