, G. F. W. Topographical Map-Making. Indian Forester, [S. l.], v. 50, n. 7, p. 378–381, 1924. DOI: 10.36808/if/1924/v50i7/18713. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/18713. Acesso em: 4 dec. 2025.