NACIS NEWS, M. NACIS News. Cartographic Perspectives, [S. l.], n. 16, p. 28, 1993. DOI: 10.14714/CP16.963. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp16-nacis-news. Acesso em: 19 may. 2024.