Tuba, Géza, Györgyi Kovács, and József Zsembeli. “Investigation of Soils of Stubbles of Winter Wheat and Winter Peas in Conventional and Reduced Tillage Systems”. Acta Agraria Debreceniensis, no. 67 (February 3, 2016): 95–99. Accessed March 3, 2021. https://ojs.lib.unideb.hu/actaagrar/article/view/1761.