, Birbai. Ripening of Cones of Pinus Longifolia. Indian Forester, [S. l.], v. 29, n. 9, p. 408–408, 1903. DOI: 10.36808/if/1903/v29i9/16268. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/16268. Acesso em: 4 dec. 2025.