PENGELLY, A. The Means of Obtaining Length of Stem for Timber. Indian Forester, [S. l.], v. 1, n. 1, p. 16–19, DOI: 10.36808/if/1875/v1i1/13178. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/13178. Acesso em: 4 dec. 2025.