Huisz, A., S. Sleutel, T. Tóth, G. Hofman, S. De Neve, and T. Németh. “The Effect of Soil Cultivation Systems on Organic Matter Distribution in Different Grain Size Fractions of the Soil Based on Three Years of Experience”. Acta Agraria Debreceniensis, no. 22, May 2006, pp. 22-30, doi:10.34101/actaagrar/22/3186.