VRANOVSKÝ, Marián. First records of Ectinosoma (Halectinosoma) abrau (Copepoda, Harpacticoida) in the Middle Danube and in Slovakia. In Biologia. Section A. Section B. Section C, Botany. Zoology. Cellular and molecular biology. ISSN 0006-3088. ISSN 1335-6372. ISSN 1335-6380. ISSN 1335-6399, 1999, roč. 54, č. 5, s. 584.