Szilágyi, Gergely. “The Impact of Grain Maize and Sunflower As Previous Crops on the Yield and Ear Number of Winter Wheat in a Long-Term Experiment”. Acta Agraria Debreceniensis, no. 64 (March 5, 2015): 75–79. Accessed May 8, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/1866.