1)- Jozef Grego, Peter Glöer, Zoltán Péter Erőss, Zoltán Fehér. Six new subterranean freshwater gastropod species from northern Albania and some new records from Albania and Kosovo (Mollusca, Gastropoda, Moitessieriidae and Hydrobiidae).Subterranean biology. 2017, 23: 85-107