Scientific and Industrial Research in Great Britain. Indian Forester, [S. l.], v. 70, n. 8, p. 273–278, 1944. DOI: 10.36808/if/1944/v70i8/22207. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/22207. Acesso em: 4 dec. 2025.