EADES, Peter; FENG, Qingwen; NAGAMOCHI, Hiroshi. Drawing Clustered Graphs on an Orthogonal Grid. Journal of Graph Algorithms and Applications, [S. l.], v. 3, n. 4, p. 3–29, 1999. DOI: 10.7155/jgaa.00016. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper16. Acesso em: 30 jun. 2024.