Electrical correcting elements in automatic control and regulation circuits. (Elektricheskii︠e︡ korrektiruyushchii︠e︡ elementy v skhemakh avtomaticheskogo kontroli︠a︡ i regulirovanii︠a︡) /
Krug, German Karlovich.
Krug, Elena Karlovna.
Glass, R. C.
Oxford,
1964.
Joint authors: German Karlovich Krug and Elena Karlovna Krug.