TONN, D.; KARPOVAGE, M. 3D Birds-eye-view Raster Maps. Cartographic Perspectives, [S. l.], n. 65, p. 65–66, 2010. DOI: 10.14714/CP65.139. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp65-tonn-karpovage. Acesso em: 6 may. 2024.