EDWARDS, L. D.; NELSON, E. S. Visualizing Data Certainty: A Case Study Using Graduated Circle Maps. Cartographic Perspectives, [S. l.], n. 38, p. 19–36, 2001. DOI: 10.14714/CP38.793. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp38-edwards-nelson. Acesso em: 24 apr. 2024.