(NmNOGOPERFORATORNOE BURENIE I USLOWIQ EGO RAZWITIQ(B/s - (NbENUNI(B, (Na(B.(Nh(B.s ((NmOSKWA (B:s (NsWERDLOWSK(B:s (NMETALLURGIZDAT(B, s, 1943)
Keywords: (NgORNOE DELO (B- (NbURENIE SKWAVINs