CLEARY, Sean; ST. JOHN, Katherine. A Linear-Time Approximation Algorithm for Rotation Distance. Journal of Graph Algorithms and Applications, [S. l.], v. 14, n. 2, p. 385–390, 2010. DOI: 10.7155/jgaa.00212. Disponível em: http://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper212. Acesso em: 2 jul. 2024.