Authors
Renata Patyńska
Department of Rockburst and Rock Mechanics, Central Mining Institute, Katowice, Poland
Krystyna Stec
Central Mining Institute, Department of Geology and Geophysics, Katowice, Poland
© 2017 Renata Patyńska, Krystyna Stec, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.