[1]
Migoń, P. and Pijet-Migoń, E. 2021. Not simply volcanoes – The Geoheritage of the Cretaceous System in the Land of the Extinct Volcanoes Geopark, West Sudetes (SW Poland). Geotourism/Geoturystyka. 17, 1-2(60-61) (Dec. 2021), 3–22. DOI:https://doi.org/10.7494/geotour.2020.60-61.3.