HAJNAL, Péter; IGAMBERDIEV, Alexander; ROTE, Günter; SCHULZ, André. Saturated simple and 2-simple topological graphs with few edges. Journal of Graph Algorithms and Applications, [S. l.], v. 22, n. 1, p. 117–138, 2018. DOI: 10.7155/jgaa.00460. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper460. Acesso em: 30 jun. 2024.