SEAMAN, L. N. A New Method of Piling Railway Sleepers. Indian Forester, [S. l.], v. 60, n. 7, p. 456–457, 1934. DOI: 10.36808/if/1934/v60i7/20684. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20684. Acesso em: 21 aug. 2025.