Gabnai, Gabnai, és Attila Bai. „The Possible Role of Urban Wastewater Treatment Plants in Nutrient- and Energy Management”. GEORGIKON FOR AGRICULTURE 23, no. 3 (december 17, 2019): 120–141. Elérés december 5, 2025. https://journal.uni-mate.hu/index.php/gfa/article/view/6301.