EPPSTEIN, David. The Effect of Planarization on Width. Journal of Graph Algorithms and Applications, [S. l.], v. 22, n. 3, p. 461–481, 2018. DOI: 10.7155/jgaa.00468. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper468. Acesso em: 2 jul. 2024.