Szepesi, Zsolt, and Ákos Harka. 2007. “The Action of Bed-Slope the Fish community’s Composition of the Watercorses on the Zagyva-Tarna Watersystem”. Acta Agraria Debreceniensis, no. 25 (April): 45-53. https://doi.org/10.34101/actaagrar/25/3036.