1. Institute of Geological Sciences, University of Wrocław, pl. M. Borna 9, 50-204 Wrocław, Poland
2. Institute of Geography and Regional Development, University of Wrocław, pl. Uniwersytecki 1, 50-137 Wrocław, Poland
3. Stolowe Mountains National Park, ul. Słoneczna 31, 57-350 Kudowa Zdrój, Poland