Turóci, Ágnes, Zoltán Fehér, Virág Krízsik, and Páll-GergelyBarna. “Two New Alien Slugs, Krynickillus Melanocephalus Kaleniczenko, 1851 and Tandonia Kusceri (H. Wagner, 1931), Are Already Widespread in Hungary”. Acta Zoologica Academiae Scientiarum Hungaricae 66, no. 3 (August 7, 2020): 265–282. Accessed April 25, 2024. https://ojs3.mtak.hu/index.php/actazool/article/view/2668.