Authors
Bożena Mrowiec
University of Bielsko-Biala, Institute of Environmental Protection and Engineering, Faculty of Materials, Civil and Environmental Engineering, Bielsko-Biala, Poland
© 2017 Bożena Mrowiec, published by National Research Institute, Institute of Environmental Protection
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.