(NoSNOWY \LEKTROAKUSTIKI (B/s - (NsOKOLOW(B, (NsERGEJ qKOWLEWI^(B.s; (N|LEKTROTEHNI^ESKIJ INSTITUT IM(B. (Nw(B.(Ni(B. (NuLXQNOWA s ((NlENINGRAD (B: s (NiZD(B-(NWO kUBU^(B, s, 1932)
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Keywords: (N|LEKTROAKUSTIKAs