Mars, Éva, Péter Sipos, Norbert Boros, Zsuzsanna Tarján, and Zoltán Győri. 2009. “Effect of Mineral Fertilizers With Different Sulphur Content on the Yield of Winter Wheat in a Small Plot Experiment”. Acta Agraria Debreceniensis, no. 36 (November): 97-100. https://doi.org/10.34101/actaagrar/36/2798.