CAMPBELL WALKER, J. Screw-jack or Cant-hooks. Indian Forester, [S. l.], v. 3, n. 4, p. 365–365, DOI: 10.36808/if/1878/v3i4/13275. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/13275. Acesso em: 5 dec. 2025.