(NtREWOVNAQ LAWA (B:s (NpOWESTI (B/s - (NbAHAREW(B, (NaLEKSANDRs ((NrOSTOW (B:s (NkN(B. (NIZD(B-(NWO(B,s, 1981)
(NlI^NO OTWETSTWENENs
Keywords: (N{AHTERY (B((NH(B. (NL(B.)s; (NmETALLURGI (B((NH(B. (NL(B.)s