JELÍNKOVÁ, Eva; KÁRA, Jan; KRATOCHVÍL, Jan; PERGEL, Martin; SUCHÝ, Ondřej; VYSKOCIL, Tomáš. Clustered Planarity: Small Clusters in Cycles and Eulerian Graphs. Journal of Graph Algorithms and Applications, [S. l.], v. 13, n. 3, p. 379–422, 2009. DOI: 10.7155/jgaa.00192. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper192. Acesso em: 28 sep. 2024.