EPPSTEIN, David; WORTMAN, Kevin. Optimal Angular Resolution for Face-Symmetric Drawings. Journal of Graph Algorithms and Applications, [S. l.], v. 15, n. 4, p. 551–564, 2011. DOI: 10.7155/jgaa.00238. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper238. Acesso em: 30 jun. 2024.