(NmALAHITOWAQ [KATULKA (B/s - (NbAVOW(B, (NpAWEL pETROWI^s ((NmOSKWA (B: s (NgOSLITIZDAT(B,s, 1957)
Keywords: (NsKAZY URALXSKIE (B( (NH(B. (NL(B.)s; (NgORNOZAWODSKAQ PROMY[LENNOSTX I GORNORABO^IE uRALA (B((NH(B. (NL(B.)s