BINUCCI, Carla; DI GIACOMO, Emilio; DIDIMO, Walter; REXTIN, Aimal. Switch-Regular Upward Planarity Testing of Directed Trees. Journal of Graph Algorithms and Applications, [S. l.], v. 15, n. 5, p. 587–629, 2011. DOI: 10.7155/jgaa.00241. Disponível em: https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper241. Acesso em: 22 dec. 2024.