CHU, G. New Cartography and Geographic Information Systems (GIS) Lab at the University of Wisconsin-La Crosse. Cartographic Perspectives, [S. l.], n. 27, p. 33, 1997. DOI: 10.14714/CP27.704. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp27-chu. Acesso em: 2 may. 2024.