Authors
Małgorzata Cichoń
Department of Geoecology, Faculty of Geographical and Geological Sciences, Adam Mickiewicz University, Poznań, Poland
© 2017 Małgorzata Cichoń, published by University of Silesia in Katowice, Faculty of Natural Sciences
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.