Bradić-Milinović, Katarina, Ljupko Rundić, and Werner Schwarzhans. 2021. “Middle Miocene Otoliths of Freshwater Fishes from the Vračević Lake (Serbian Lake System)”. Geološki Anali Balkanskoga Poluostrva 82 (2), 1-24. https://doi.org/10.2298/GABP210616006B.