GREIG, G. Note on Experimental Plantations on Usar. Indian Forester, [S. l.], v. 9, n. 9, p. 454–457, DOI: 10.36808/if/1883/v9i9/13652. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/13652. Acesso em: 4 dec. 2025.