ELECTRICAL CORRECTING ELEMENTS IN AUTOMATIC CONTROL AND REGULATION CIRCUITS - Krug, German Karlovich; Krug, Ye. K. (N. Y. Macmillan, 1964)
A Pergamon Press Book
Translation Of Elektricheskiye Korrektiruyuschchi-Ye Elementy V Skhemakh Avtomatiches-Kogo Kontrolya I Regulirovaniya