Authors
Ewa Szarek-Gwiazda
Institute of Nature Conservation, Polish Academy of Sciences, Kraków, Poland
Pareskeva Michailova
Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Bulgaria
Julia Ilkova
Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Bulgaria
Andrzej Kownacki
Institute of Nature Conservation, Polish Academy of Sciences, Kraków, Poland
Dariusz Ciszewski
Department of Geology, Geophysics and Environmental Protection AGH, Kraków, Poland
Urszula Aleksander-Kwaterczak
Department of Geology, Geophysics and Environmental Protection AGH, Kraków, Poland