(NoSNOWY AKUSTIKI (B:s (Nu^EBNOE POSOBIE (B/s - (NgENZELX(B, (Ng(B.(Ns(B.s; (NzAEZDNYJ(B, (Na(B.(Nm(B.s ((NlENINGRAD (B;s (NmOSKWA (B:s (NmORSKOJ TRANSPORT(B,s, 1952)
Keywords: (NfIZIKAs