01005nam a2200313 i 450099100091194970753620020507103127.0951204s1978 uk ||| | eng b10147184-39ule_instLE00639023ExLDip.to Fisicaita5(091)6(091)621.3.2621.381'09TK7809Dummer, G.461799Electronic inventions and discoveries /G. Dummer2nd ed.Oxford :Pergamon,1978204 p. :ill. ;28 cm.Electronic apparatus and appliancesElectronics.b1014718421-09-0627-06-02991000911949707536LE006 5(091)+6(091) DUM12006000017145le006-E0.00-l- 00000.i1017528327-06-02Electronic inventions and discoveries186550UNISALENTOle00601-01-95ma -enguk 01