(1)
Różycka, M.; Migoń, P. Visitors’ Background As a Factor in Geosite Evaluation. The Case of Cenozoic Volcanic Sites in the Pogórze Kaczawskie Region, SW Poland.
geotour
2017
, No. 38-39, 3.
https://doi.org/10.7494/geotour.2014.38-39.3
.