Gál, Dénes, Éva Kerepeczki, Pál Szabó, and Ferenc Pekár. “Survey of the Environmental Impacts of Pond Fish Farming”. Acta Agraria Debreceniensis, no. 21 (May 23, 2006): 19–24. Accessed April 27, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/3168.