622.272=111
B86
Brief commentaries on the problem of power consumption management at iron ore underground mines : multi-authored monograph / I. O. Sinchuk, S. M. Boiko, M. L. Baranovska, al ; as amended by O. M. Sinchuk ; [edited by O. M. Sinchuk]. – Warsaw : [s. n.], 2019. – 96 p.