S. Prevorčnik and A. Falniowski, “A twist of nature: a left-handed Bythinella schmidti (Küster, 1852) (Caenogastropoda: Bythinellidae)”, Nat Slov, vol. 20, no. 2, pp. 25–31, Dec. 2018, doi: 10.14720/ns.20.2.25-31.