SINGH, R. P.; GUPTA, M. K. Vegetation Survey and Ecological Studies under Silver Fir and Spruce Forests of Himachal Pradesh. Indian Forester, [S. l.], v. 118, n. 7, p. 460–465, 1992. DOI: 10.36808/if/1992/v118i7/8452. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/8452. Acesso em: 10 jul. 2025.