MATHUR, K. B. L.; TEWARI, D. N. The Swedish National Forest Inventory. Indian Forester, [S. l.], v. 94, n. 7, p. 513–520, 1968. DOI: 10.36808/if/1968/v94i7/26029. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/26029. Acesso em: 4 dec. 2025.