Work of the Ordnance Survey. Indian Forester, [S. l.], v. 53, n. 12, p. 728–729, 1927. DOI: 10.36808/if/1927/v53i12/19204. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/19204. Acesso em: 27 dec. 2025.