CRADDOCK, W. H. Note on Forest Surveying with Verner’s Sketching Board. Indian Forester, [S. l.], v. 42, n. 6, p. 307–312, 1916. DOI: 10.36808/if/1916/v42i6/18016. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/18016. Acesso em: 4 dec. 2025.