SMYTHIES, E. A. The Safeguarding formula for Selection Fellings. Indian Forester, [S. l.], v. 59, n. 10, p. 660–664, 1933. DOI: 10.36808/if/1933/v59i10/20438. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20438. Acesso em: 28 oct. 2025.