GUPTA, R. K.; SINGH, J. S. Succession of Vegetation Types in the Tons Valley of the Garhwal Himalayas. Indian Forester, [S. l.], v. 88, n. 4, p. 289–296, 1962. DOI: 10.36808/if/1962/v88i4/24662. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/24662. Acesso em: 4 dec. 2025.