ROTH, R. E.; BREWER, C. A.; STRYKER, M. S. A typology of operators for maintaining legible map designs at multiple scales. Cartographic Perspectives, [S. l.], n. 68, p. 29–64, 2011. DOI: 10.14714/CP68.7. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp68-roth-et-al. Acesso em: 25 apr. 2024.