BARTH, Lukas; BRÜCKNER, Guido; JUNGEBLUT, Paul; RADERMACHER, Marcel. Multilevel Planarity. Journal of Graph Algorithms and Applications, [S. l.], v. 25, n. 1, p. 151–170, 2021. DOI: 10.7155/jgaa.00554. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper554. Acesso em: 30 jun. 2024.