, F. G. On Thinnings in Planted Spruce. Indian Forester, [S. l.], v. 28, n. 6, p. 205–209, 1902. DOI: 10.36808/if/1902/v28i6/16633. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/16633. Acesso em: 20 feb. 2026.