SZABÓ, G. Gábor. Dr. Károly Ihrig: the Scholar and the Person. Acta Agraria Debreceniensis, [S. l.], n. 33, p. 5–9, 2009. DOI: 10.34101/actaagrar/33/2845. Disponível em: https://ojs.lib.unideb.hu/actaagrar/article/view/2845.. Acesso em: 1 may. 2024.