(NbALLASTNYE MATERIALY NA VELEZNYH DOROGAH I TEHNIKO(B-(N\KONOMI^ESKIE RAS^ETY PRI IH PRIMENENII (B/s - (NpOPOW(B, (Ns(B. (Nn(B.s ((NmOSKWA (B:s (NtRANSVELDORIZDAT(B,s, 1947)
Keywords: (NvELEZNYE DOROGI (B- (NbALLASTs