SINGH, S. P.; NEGI, D. D. S.; MITTAL, M. C. Errors resulting from class grouping of Diameters. Indian Forester, [S. l.], v. 108, n. 8, p. 567–571, 1982. DOI: 10.36808/if/1982/v108i8/10913. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/10913. Acesso em: 10 jul. 2025.