VERSTEEGH, P. J. D. Aerial Photo Interpretation and its Application in Tropical forest Development. Indian Forester, [S. l.], v. 93, n. 9, p. 624–632, 1967. DOI: 10.36808/if/1967/v93i9/25688. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/25688. Acesso em: 21 aug. 2025.