VAN DER SPEK, S. Tracking Technologies: An Overview. Research in Urbanism Series, [S. l.], v. 1, p. 23–30, 2008. DOI: 10.7480/rius.1.194. Disponível em: https://rius.ac/index.php/rius/article/view/55. Acesso em: 30 nov. 2022.