CALDWELL, D. R. Physical Terrain Modeling for Geographic Visualization. Cartographic Perspectives, [S. l.], n. 38, p. 66–72, 2001. DOI: 10.14714/CP38.795. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp38-caldwell. Acesso em: 25 apr. 2024.