Škvorc, Željko, Franjić, J., Krstonošić, D. in Sever, K. (2020) „Phytosociological analysis of beech forests in the Žumberak and Samobor highlands (Croatia)“, Hacquetia, 20(1), str. 119–165. doi: 10.2478/hacq-2020-0013 .