GRESWELL, E. A. Possibilities of a Fir and Spruce Lumber Trade. Indian Forester, [S. l.], v. 45, n. 6, p. 305–309, 1919. DOI: 10.36808/if/1919/v45i6/18233. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/18233. Acesso em: 5 dec. 2025.