(NoB]IJ KURS I PRAWILA TEHNI^ESKOJ \KSPLUATACII VELEZNYH DOROG (B:s (Nu^EBNOE POSOBIE (B/s - (NbUKANOW(B, (NmIHAIL aLEKSANDROWI^s; (NhACKELEWI^(B, (Nm(B.(Nn(B.s ((NmOSKWA (B:s (NtRANSPORT(B,s, 1973)