BRANDES, Ulrik; PICH, Christian. More Flexible Radial Layout. Journal of Graph Algorithms and Applications, [S. l.], v. 15, n. 1, p. 157–173, 2011. DOI: 10.7155/jgaa.00221. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper221. Acesso em: 2 jul. 2024.