KIRSH, K. Low Altitude Videography asa GIS Data Source. Cartographic Perspectives, [S. l.], n. 30, p. 68–71, 1998. DOI: 10.14714/CP30.665. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp30-kirsh. Acesso em: 22 jul. 2024.