AGGARWAL, K. L. Nursery Experiments with Spruce Seed. Indian Forester, [S. l.], v. 58, n. 9, p. 498–501, 1932. DOI: 10.36808/if/1932/v58i9/20188. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20188. Acesso em: 21 aug. 2025.