NACIS NEWS, M. NACIS News. Cartographic Perspectives, [S. l.], n. 20, p. 60–63, 1995. DOI: 10.14714/CP20.903. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp20-nacis-news. Acesso em: 4 may. 2024.