Sir R. S. Pearson, C. I. E., L.L.D. Indian Forester, [S. l.], v. 60, n. 1, p. 20–20, 1933. DOI: 10.36808/if/1934/v60i1/20590. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20590. Acesso em: 21 aug. 2025.