SMYTHIES, E. A. Some Factors which Influence the Yield of Resin from <I>Pinus longifolia</I>. Indian Forester, [S. l.], v. 36, n. 5, p. 278–283, 1910. DOI: 10.36808/if/1910/v36i5/17276. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/17276. Acesso em: 7 oct. 2025.