GUTWENGER, Carsten; KLEIN, Karsten; MUTZEL, Petra. Planarity Testing and Optimal Edge Insertion with Embedding Constraints. Journal of Graph Algorithms and Applications, [S. l.], v. 12, n. 1, p. 73–95, 2008. DOI: 10.7155/jgaa.00160. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper160. Acesso em: 28 dec. 2024.