Tičar, Jure, Blaž Komac, Matija Zorn, Mateja Ferk, Mauro Hrvatin, and Rok Ciglič. 2017. “From Urban Geodiversity to Geoheritage: The Case of Ljubljana (Slovenia)”. Quaestiones Geographicae 36 (3):37–50. https://doi.org/10.1515/quageo-2017-0023.