3rd September 1939. Indian Forester, [S. l.], v. 65, n. 11, p. 669–672, 1939. DOI: 10.36808/if/1939/v65i11/27630. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/27630. Acesso em: 27 dec. 2025.