OSMASTON, A. E. Notes on Pinus Gerardiana. Indian Forester, [S. l.], v. 57, n. 7, p. 352–352, 1931. DOI: 10.36808/if/1931/v57i7/20002. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20002. Acesso em: 21 aug. 2025.