NACIS NEWS, M. NACIS News. Cartographic Perspectives, [S. l.], n. 08, p. 30, 1990. DOI: 10.14714/CP08.1090. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp08-nacis-news. Acesso em: 7 may. 2024.