SURI, S. K.; BHATTACHARYA, P. K. Simple Method of Finding. Indian Forester, [S. l.], v. 90, n. 5, p. 292–294, 1964. DOI: 10.36808/if/1964/v90i5/24984. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/24984. Acesso em: 4 dec. 2025.