(NkALXKULQCIQ NA RUDNIKAH ^ERNOJ METALLURGII (B/s - (NsKORUBSKIJ(B, (NnIKOLAJ iWANOWI^s ((NmOSKWA (B:s (NmETALLURGIZDAT(B,s, 1959)
Keywords: (NgORNORUDNAQ PROMY[LENNOSTXs -- (NkALXKULQCIQ SEBESTOIMOSTIs; (N~ERNAQ METALLURGI^ESKAQ PROMY[LENNOSTXs -- (NkALXKULQCIQ SEBESTOIMOSTIs