Zagmajster, M. and Delić , T. 2019. Discovery of subterranean amphipod Niphargus stygius (Schiødte, 1847) (Amphipoda: Niphargidae) in a cave drip pool with increased salinity. Natura Sloveniae. 21, 1 (Jun. 2019), 57–59. DOI:https://doi.org/10.14720/ns.21.1.57-59.