Possibilities of Increasing of Ecological Conditions in Mining Environment by Reconstruction of the Present Engine DH30

by Kucera, Matej, Sebok, Milan, Gutten, Miroslav, Korenciak, Daniel, Lukac, Stanislav
Source: 1. Acta Montanistica Slovaca 1. Roč. 24, č. 1 (2019), s. 63-71 1. 1335-1788