SINGH, T. C. M.; TEWARI, D. N. Swedish Forestry and its Biological Background. Indian Forester, [S. l.], v. 93, n. 5, p. 292–296, 1967. DOI: 10.36808/if/1967/v93i5/26020. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/26020. Acesso em: 29 oct. 2025.