GULÁCSI, A.; KOVÁCS, F. Drought monitoring of forest vegetation using MODIS-based normalized difference drought index in Hungary. Hungarian Geographical Bulletin, [S. l.], v. 67, n. 1, p. 29–42, 2018. DOI: 10.15201/hungeobull.67.1.3. Disponível em: https://ojs.mtak.hu/index.php/hungeobull/article/view/457. Acesso em: 29 oct. 2026.