(NiNTENSIFIKACIQ RABOTY BUROWYH KARETOK (B/s - (NtKA^ENKO(B, (NaRTEM mIHAJLOWI^s; (NiNSTITUT GORNOGO DELA an kAZssr s ((NaLMA(B-(NaTA (B:s (NnAUKA(B,s, 1979)
(NbIBLIOGR(B.: (NS(B. 154-155 s
Keywords: (NbURENIE (B- (NiNTENSIFIKACIQs