Authors
Jarosław Badera
Department of Applied Geology, Faculty of Earth Sciences, University of Silesia, Sosnowiec, Poland
Leszek Pazderski
Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Greenpeace Polska Foundation, Toruń
© 2017 Jarosław Badera, Leszek Pazderski, published by University of Silesia in Katowice, Institute of Mathematics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.