Szepesi, Z. and Harka, Ákos 2007. The action of bed-slope the fish community’s composition of the watercorses on the Zagyva-Tarna watersystem. Acta Agraria Debreceniensis. 25 (Apr. 2007), 45–53. DOI:https://doi.org/10.34101/actaagrar/25/3036.