Authors
Zoltán Virág
University of Miskolc, Institute of Mining and Geotechnical Engineering, Miskolc, Hungary
Sándor Szirbik
University of Miskolc, Institute of Applied Mechanics, Miskolc, Hungary
© 2022 Zoltán Virág, Sándor Szirbik, published by University of Petrosani
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 License.