University of Agriculture in Krakow, Faculty of Forestry, Department of Forest Ecology, al. 29 Listopada 46, 31-425 Kraków, Poland, phone: +4812 6625080
Stanisław Małek
University of Agriculture in Krakow, Faculty of Forestry, Department of Forest Ecology, al. 29 Listopada 46, 31-425 Kraków, Poland, phone: +4812 6625080