(N|LEKTROOBORUDOWANIE I \LEKTROSNABVENIE BUROWYH I GORNYH RABOT (B:s (Nu^EBNOE POSOBIE (B/s - (NbUHGOLXC(B, (NwALENTIN pETROWI^s; (NpAWLOWSKIJ(B, (NaNATOLIJ aLEKSEEWI^s; (NsKRIPKA(B, (NwITALIJ lEONIDOWI^s ((NmOSKWA (B:s (NnEDRA(B,s, 1976)
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Keywords: (NbUROWYE RABOTYs; (NgORNOE DELOs