Zakharova, A., E. Karaščáková, M. Haas, Z. Hrehová, and M. Janiga. 2022. “Variability in Ventral Spot Patterns of Frogs of the Species Bombina Variegata from Different Localities in Slovakia”. Oecologia Montana 31 (1), 35-47. https://om.vuvb.uniza.sk/index.php/OM/article/view/358.