Authors
Zbigniew Muszyński
Wrocław University of Science and Technology, Faculty of Geoengineering, Mining and Geology, Wrocław, Poland
Jarosław Rybak
Wrocław University of Science and Technology, Faculty of Civil Engineering, Wrocław, Poland
© 2018 Zbigniew Muszyński, Jarosław Rybak, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.