(NgIDROMEHANIZACIQ OTKRYTYH GORNYH RAZRABOTOK (B: s (NmATERIALY SOWE]ANIQ(B, (NPROWED(B. 27-28 (NI@NQ (B1960 (NG(B. / s - (NmELXNIKOW(B. (Nn(B. (Nw(B. s ((NmOSKWA (B: s (Nb(B. (NI(B.,s, 1962)
Keywords: (NgORNYE RABOTY(B, (NOTKRYTYE (B- (NgIDROMEHANIZACIQs