Fehér, Z., T. Deli, Z. P. Erőss, and R. Lika. “Taxonomic Revision of the Subterranean Genus Virpazaria Gittenberger, 1969 (Gastropoda, Spelaeodiscidae)”. European Journal of Taxonomy, no. 558, Sept. 2019, doi:10.5852/ejt.2019.558.