TILTON, D. W. Geocart Software. Cartographic Perspectives, [S. l.], n. 17, p. 24–26, 1994. DOI: 10.14714/CP17.946. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp17-tilton. Acesso em: 7 may. 2024.