(N~ELOWEK I WODA (B/s - (NbELI^ENKO(B, (N`RIJ pETROWI^(B.s; (N{WECOW(B, (NmIHAIL mIHAJLOWI^s ((NmOSKWA (B:s (NkOLOS(B,s, 1979)
Keywords: (NwODNYE RESURSY (B- (NoHRANAs