@misc{Kudełko_Jan_Evaluation_2020,
 author={Kudełko, Jan and Bodlak, Maciej},
 year={2020},
 rights={Pewne prawa zastrzeżone na rzecz Autorów i Wydawcy},
 description={Mining Science, Vol. 27, 2020, s. 183-197},
 publisher={Wroclaw University of Technology},
 language={eng},
 type={journal},
 title={Evaluation significance of differences between the geotechnical parameters of the lithological rocks roof layers, above mining excavation},
 keywords={mining, geology, geo-engineering},
}