CORTESE, Pier Francesco; DI BATTISTA, Giuseppe; FRATI, Fabrizio; PATRIGNANI, Maurizio; PIZZONIA, Maurizio. C-Planarity of C-Connected Clustered Graphs. Journal of Graph Algorithms and Applications, [S. l.], v. 12, n. 2, p. 225–262, 2008. DOI: 10.7155/jgaa.00165. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper165. Acesso em: 30 jun. 2024.