Csajbók, József, Erika Kutasy, and Péter Pepó. “Analysis of the Photosynthetic Parameters, the Yield and the Quality of Winter Wheat”. Acta Agraria Debreceniensis, no. I (October 5, 2010): 101–106. Accessed April 10, 2021. https://ojs.lib.unideb.hu/actaagrar/article/view/8384.