FISCHER, Mareike; LIEBSCHER, Volkmar. On the Balance of Unrooted Trees. Journal of Graph Algorithms and Applications, [S. l.], v. 25, n. 1, p. 133–150, 2021. DOI: 10.7155/jgaa.00553. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper553. Acesso em: 30 jun. 2024.