BHALLA, B. K. Forests of Switzerland and their Management. Indian Forester, [S. l.], v. 88, n. 1, p. 20–27, 1962. DOI: 10.36808/if/1962/v88i1/24628. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/24628. Acesso em: 4 dec. 2025.