(NfIZIKO(B-(NHIMI^ESKIE OSNOWY OBOGA]ENIQ POLEZNYH ISKOPAEMYH (B/s - (NvUKOW(B, (Nw(B.(Nw(B.s; (NaKADEMIQ nAUK sssrs (NgORNOMETALLURGI^ESKIJ INSTITUT kOLXSKOGO FILIALA IM(B. (Ns(B.(Nm(B. (NkIROWAs ((NlENINGRAD (B:s (NnAUKA(B, (NlENINGR(B. (NOTD(B-(NNIE(B,s, 1972)
Keywords: (NgORNOE DELOs