(N|KONOMI^ESKIE SWQZI I RAZWITIE VELEZNYH DOROG uRALA (B/s - (N~ERWQKOW(B, (Na(B.(Nps; (NuRALXSKIJ NAU^NYJ CENTR an sssrs ((NmOSKWA (B:s (NnAUKA(B,s, 1976)
Keywords: (NtRANSPORTNAQ SWQZXs