BHAGAT, Virendra Singh. S.; ARYA, S. R. Litter Fall and Natural Regeneration of Spruce and Silver Fir. Indian Forester, [S. l.], v. 113, n. 9, p. 616–621, 1987. DOI: 10.36808/if/1987/v113i9/9444. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/9444. Acesso em: 21 aug. 2025.