[1]
Dzięgiel, M. 2021. The geotouristic attractiveness of the underground trails in Zabrze, Dąbrowa Górnicza and Tarnowskie Góry towns (Silesian Upland). Geotourism/Geoturystyka. 17, 1-2(60-61) (Dec. 2021), 23–38. DOI:https://doi.org/10.7494/geotour.2020.1-2(60-61).23.