formulas and Commonsense. Indian Forester, [S. l.], v. 53, n. 6, p. 360–362, 1927. DOI: 10.36808/if/1927/v53i6/19128. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/19128. Acesso em: 4 dec. 2025.