(NoPYT PODZEMNOJ RAZRABOTKI ~IATURSKOGO MESTOROVDENIQ MARGANCA (B/s - (NzURABI[WILI(B, (NiRAKLIJ iWANOWI^(B.s ((NtBILISI (B: s (NiZD(B-(NWO aKAD(B. (NNAUK gRUZ(B. (Nssr(B,s, 1961)
Keywords: (NmARGANCEWYE MESTOROVDENIQ (B- (NsISTEMY RAZRABOTKIs