Authors
Jarosław Chmielewski
Institute of Environmental Protection-National Research, Warsaw, Poland
Piotr Kusztal
Institute of Geography, Department of Geomorphology, Geoarchaeology and Environmental Development, the Jan Kochanowski University in Kielce, Kielce, Poland
Ilona Żeber-Dzikowska
Institute of Biology, The Jan Kochanowski University in Kielce, Kielce, Poland