NAGY, J.; NÉMETH, T.; SZABÓ, J.; PÁSZTOR, L.; DOBOS, A. Establishing regional cultivating districts on the basis of the Kreybig practical soil mapping system. Acta Agraria Debreceniensis, [S. l.], n. 1, p. 20–25, 2001. DOI: 10.34101/actaagrar/1/3581. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/3581. Acesso em: 6 jul. 2022.