CHAMPION, H. G. The Meaning of Crop Diameter and the Use of the Alingment Chart. Indian Forester, [S. l.], v. 59, n. 12, p. 778–780, 1933. DOI: 10.36808/if/1933/v59i12/20477. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/20477. Acesso em: 4 dec. 2025.