NEŠETRIL, Jaroslav. Art of Graph Drawing and Art. Journal of Graph Algorithms and Applications, [S. l.], v. 6, n. 1, p. 131–147, 2002. DOI: 10.7155/jgaa.00047. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper47. Acesso em: 22 dec. 2024.