VAISHNAV, M. N. Some Suggestions about the Gravity Ropeway Working in the Kulu Valley. Indian Forester, [S. l.], v. 97, n. 5, p. 251–257, 1971. DOI: 10.36808/if/1971/v97i5/26412. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/26412. Acesso em: 21 aug. 2025.