, E. N. M. The Natural Regeneration of Douglas Fir. Indian Forester, [S. l.], v. 50, n. 9, p. 479–479, 1924. DOI: 10.36808/if/1924/v50i9/18728. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/18728. Acesso em: 20 feb. 2026.