KOLB, J.-P. Visualizing GeoData with R. Austrian Journal of Statistics, [S. l.], v. 45, n. 1, p. 45–54, 2016. DOI: 10.17713/ajs.v45i1.88. Disponível em: https://www.ajs.or.at/index.php/ajs/article/view/vol45-1-3. Acesso em: 13 oct. 2025.