HUTCHINS, D. E. A Peridical Rain-gauge. Indian Forester, [S. l.], v. 9, n. 3, p. 128–133, DOI: 10.36808/if/1883/v9i3/13607. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/13607. Acesso em: 27 dec. 2025.