CRAMPTON, J. The Convergence of Spatial Technologies. Cartographic Perspectives, [S. l.], n. 30, p. 3–5, 1998. DOI: 10.14714/CP30.659. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp30-crampton. Acesso em: 3 may. 2026.