NACIS NEWS, M. NACIS News. Cartographic Perspectives, [S. l.], n. 19, p. 55–57, 1994. DOI: 10.14714/CP19.923. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp19-nacis-news. Acesso em: 26 may. 2024.