TransliterationBarkgauzen G. Elektronnye lampy i ikh primenenie v tekhnike. Tom III. Obratnaya svyaz'. Samovozbuzhdenie (generirovanie kolebaniy). Kompensatsiya zatukhaniy
In EnglishBarkhausen G. Electronic lamps and their application in engineering. Volume III. Feedback. Self-excitation (oscillation generation). Compensation for attenuation In Russian (ask us if in doubt)
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