GREGO, J. (2020) “Revision of the stygobiont gastropod genera Plagigeyeria Tomlin, 1930 and Travunijana Grego & Glöer, 2019 (Mollusca; Gastropoda; Moitessieriidae and Hydrobiidae) in Hercegovina and adjacent regions”, European Journal of Taxonomy, (691). doi: 10.5852/ejt.2020.691.