(NrAZRABOTKA RUDNYH MESTOROVDENIJ (B: s [(Nu^EBNOE POSOBIE DLQ GORNYH WUZOW(B] /s - (NaGO[KOW(B, (NmIHAIL iWANOWI^s ((NmOSKWA(B. s (NmETALLURGIZDAT(B,s, 1954)
(NbIBLIOGR(B.: (NS(B. 615-16 (35 (NNAZW(B.)s
Keywords: (NrUDNYE MESTOROVDENIQ (B- (NrAZRABOTKA (B- (Nu^EBNIKI I POSOBIQs; (NmETALLI^ESKIE ISKOPAEMYE (B- (NdOBY^A s