Pokorny, Jaroslav, Josef Pulkrábek, Karel Krofta, and Josef Ježek. “The Effect of Copper Fungicides on the Rate of Photosynthesis and the Transpiration of Hop Plants”. Acta Agraria Debreceniensis, no. 44 (November 20, 2011): 117–123. Accessed May 3, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/2619.