NACIS NEWS, M. NACIS News. Cartographic Perspectives, [S. l.], n. 14, p. 35, 1993. DOI: 10.14714/CP14.994. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp14-nacis-news. Acesso em: 3 may. 2024.