GAUB, Emily; ROSE, Michelle; WENGER, Paul. The Unit Bar Visibility Number of a Graph. Journal of Graph Algorithms and Applications, [S. l.], v. 20, n. 2, p. 269–297, 2016. DOI: 10.7155/jgaa.00393. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper393. Acesso em: 30 jun. 2024.