HAWLEY, R. C. The Practice of Silviculture. Indian Forester, [S. l.], v. 55, n. 12, p. 681–682, 1929. DOI: 10.36808/if/1929/v55i12/19836. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/19836. Acesso em: 29 oct. 2025.