[1]
P. Słomski, J. Jankowska, and E. Rozpędowska, “Land of Extinct Volcanoes Geopark – geoeducation for everyone”,
geotour
, no. 3–4 (58–59), p. 16, Feb. 2021, doi:
10.7494/geotour.2019.58-59.16
.