VÁGÓ, János. Stream gradient investigation in the Bükkalja using interpolated surfaces. Acta Geographica Debrecina Landscape & Environment series, [S. l.], v. 4, n. 1, p. 23–36, 2010. Disponível em: https://ojs.lib.unideb.hu/landsenv/article/view/2272.. Acesso em: 4 may. 2024.