MAUTZ, Rainer. Overview of current indoor positioning systems. Geodesy and Cartography, [S. l.], v. 35, n. 1, p. 18–22, 2012. DOI: 10.3846/1392-1541.2009.35.18-22. Disponível em: https://journals.vilniustech.lt/index.php/GAC/article/view/10878. Acesso em: 2 jun. 2025.