(NpROWEDENIE GORNYH WYRABOTOK (B:s (Nu^EBNIK DLQ GORNYH WUZOW (B/s - (NpOKROWSKIJ(B, (NnIKOLAJ mIHAJLOWI^s ((NmOSKWA (B:s (NlENINGRAD (B:s (NgOSTOPTEHIZDAT (B,s, 1945)
Keywords: (NgORNYE RABOTY PRI RAZRABOTKE MESTOROVDENIJ POLEZNYH ISKOPAEMYHs