DI GIACOMO, Emilio; DIDIMO, Walter; LIOTTA, Giuseppe; MEIJER, Henk. Computing Radial Drawings on the Minimum Number of Circles. Journal of Graph Algorithms and Applications, [S. l.], v. 9, n. 3, p. 365–389, 2005. DOI: 10.7155/jgaa.00114. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper114. Acesso em: 30 jun. 2024.