TORGUSON, J. S. User Interface Studies in the Virtual Map Environment. Cartographic Perspectives, [S. l.], n. 28, p. 29–31, 1997. DOI: 10.14714/CP28.690. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp28-torguson. Acesso em: 29 apr. 2026.