This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Joanna Korzeniowska
Department of Sustainability and Environmental Management, Faculty of Geography and Biology,
Pedagogical University of CracowKraków
Ewa Panek
AGH University of Science and Technology,
Faculty of Mining Surveying and Environmental Engineering, Department of Environmental Management and ProtectionKraków