SCHAEFER, Marcus. Complexity of Geometric k-Planarity for Fixed k. Journal of Graph Algorithms and Applications, [S. l.], v. 25, n. 1, p. 29–41, 2021. DOI: 10.7155/jgaa.00548. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper548. Acesso em: 30 jun. 2024.