ACKERMAN, Eyal; BUCHIN, Kevin; KNAUER, Christian; ROTE, Günter. Acyclic Orientation of Drawings. Journal of Graph Algorithms and Applications, [S. l.], v. 14, n. 2, p. 367–384, 2010. DOI: 10.7155/jgaa.00211. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper211. Acesso em: 30 jun. 2024.