Authors
Rafał Ulańczyk
Institute of Environmental Protection – National Research Institute, Wrocław, Poland
Czesław Kliś
Institute for Ecology of Industrial Areas, Wrocław, Poland
Damian Absalon
University of Silesia, Faculty of Earth Sciences, Wrocław, Poland
Marek Ruman
University of Silesia, Faculty of Earth Sciences, Wrocław, Poland