DE CASTRO, Natalia; COBOS, Francisco Javier; DANA, Juan Carlos; MARQUEZ, Alberto; NOY, Marc. Triangle-Free Planar Graphs and Segment Intersection Graphs. Journal of Graph Algorithms and Applications, [S. l.], v. 6, n. 1, p. 7–26, 2002. DOI: 10.7155/jgaa.00043. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper43. Acesso em: 27 sep. 2024.