Authors
Csaba Patkós
patkos.csaba@uni-eszterhazy.hu
Eszterházy Károly University College, Institute of Geography and Environmental Sciences, Eger, Hungary
patkos.csaba@uni-eszterhazy.hu
© 2018 Csaba Patkós, published by Mendel University in Brno
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.