Authors
Zbigniew Szczerbowski
Faculty of Mining Surveying and Environmental Engineering, Department of Mining Areas Protection, Geoinformatics and Mining Surveying, AGH University of Science and Technology, Cracow, Poland
© 2019 Zbigniew Szczerbowski, published by Warsaw University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.