BIEDL, Therese; DERKA, Martin. The (3,1)-ordering for 4-connected planar triangulations. Journal of Graph Algorithms and Applications, [S. l.], v. 20, n. 2, p. 347–362, 2016. DOI: 10.7155/jgaa.00396. Disponível em: https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper396. Acesso em: 15 jun. 2025.