NACIS NEWS, M. NACIS News. Cartographic Perspectives, [S. l.], n. 21, p. 57–59, 1995. DOI: 10.14714/CP21.882. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp21-nacis-news. Acesso em: 1 may. 2024.