AGARWAL, S. C.; PATIL, B. D. Problem of Fir and Spruce Regeneration. Indian Forester, [S. l.], v. 82, n. 7, p. 382–386, 1956. DOI: 10.36808/if/1956/v82i7/24086. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/24086. Acesso em: 21 aug. 2025.