Authors
Anna Wolak-Tuzimek
Faculty of Economic and Legal Sciences, Kazimierz Pulaski University of Technology and Humanities in Radom, Radom, Poland
Marek Chmiel
Institute of Environmental Protection – National Research Institute, Warszawa, Poland
© 2017 Anna Wolak-Tuzimek, Joanna Tarnawska, Marek Chmiel, published by National Research Institute, Institute of Environmental Protection
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.