Indian Forest College Dehra Dun. Indian Forester, [S. l.], v. 74, n. 5, p. 194–195, 1948. DOI: 10.36808/if/1948/v74i5/23006. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/23006. Acesso em: 21 aug. 2025.