PRING, N. G. Thinning Practice in Coniferous Forests. Indian Forester, [S. l.], v. 63, n. 5, p. 297–311, 1937. DOI: 10.36808/if/1937/v63i5/21201. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/21201. Acesso em: 5 dec. 2025.