Alberico Sonnessa, Mirko Saponaro, Vincenzo Saverio Alfio, Alessandra Capolupo, Adriano Turso, Eufemia Tarantino. Indoor Positioning Methods - A Short Review and First Tests Using a Robotic Platform for Tunnel Monitoring. In Osvaldo Gervasi, Beniamino Murgante, Sanjay Misra, Chiara Garau, Ivan Blecic, David Taniar, Bernady O. Apduhan, Ana Maria A. C. Rocha, Eufemia Tarantino, Carmelo Maria Torre, Yeliz Karaca, editors, Computational Science and Its Applications - ICCSA 2020 - 20th International Conference, Cagliari, Italy, July 1-4, 2020, Proceedings, Part IV. Volume 12252 of Lecture Notes in Computer Science, pages 664-679, Springer, 2020. [doi]