ANDERSON, J. Cartography Labs at NACIS XIII. Cartographic Perspectives, [S. l.], n. 17, p. 21–22, 1994. DOI: 10.14714/CP17.944. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp17-anderson. Acesso em: 18 may. 2024.