(NtEHNIKO(B-(N\KONOMI^ESKAQ OCENKA DOBY^I I ISPOLXZOWANIQ RUD (B/s - d ((NmOSKWA (B:s (NnEDRA(B,s, 1978)
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Keywords: (NoTRASLI GORNOJ PROMY[LENNOSTI PO WIDU DOBYWAEMYH MINERALOW(B, (NRUD(B, (NNERUDNYH ISKOPAEMYHs