Extract. Indian Forester, [S. l.], v. 60, n. 8, p. 575–585, 1934. DOI: 10.36808/if/1934/v60i8/20704. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/20704. Acesso em: 4 dec. 2025.