MAKRA, László; SÜMEGHY, Zoltán. Environmental objective analysis, ranking and clustering of Hungarian cities. Acta Geographica Debrecina Landscape & Environment series, [S. l.], v. 2, n. 2, p. 91–108, 2008. DOI: 10.21120/. Disponível em: https://ojs.lib.unideb.hu/landsenv/article/view/2254.. Acesso em: 1 jul. 2024.