Škvorc, Željko, Jozo Franjić, Daniel Krstonošić, and Krunoslav Sever. 2020. “Phytosociological Analysis of Beech Forests in the Žumberak and Samobor Highlands (Croatia)”. Hacquetia 20 (1):119–165. https://doi.org/10.2478/hacq-2020-0013 .