The New Forest Research Institute at Dehra Dun. Indian Forester, [S. l.], v. 47, n. 2, p. 50–61, 1921. DOI: 10.36808/if/1921/v47i2/18382. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/18382. Acesso em: 20 feb. 2026.