Szőllősi, Nikolett, Györgyi Kovács, and József Zsembeli. “CO2 Emission of the Soil on Barley Stubble”. Acta Agraria Debreceniensis, no. 35 (October 20, 2009): 95–102. Accessed March 3, 2021. https://ojs.lib.unideb.hu/actaagrar/article/view/2815.