00928nam0-22003371i-450-99000049053040332120090625095144.00-273-42248-0000049053FED01000049053(Aleph)000049053FED0100004905320020821d1975----km-y0itay50------baenga-------001yyGunn-effect electronicsB. G. Bosch, R. W. H. EngelmannLondonPitman©1975434 p.ill.23 cmElectronic engineering seriesElettronicaEffetto Gunn621.381'52Bosch,B. G.491755Engelmann,Richard H.6688ITUNINARICAUNIMARCBK99000049053040332110 E I 2498687DINELDINELGunn-effect electronics333100UNINA