Authors
Institute of Earth Sciences, Faculty of Natural Sciences, University of Silesia in Katowice, Sosnowiec, Poland
Skywarn Poland Association, Warsaw, Poland
© 2020 Wojciech Pilorz, Ewa Łupikasza, published by University of Silesia in Katowice, Institute of Mathematics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.