Artigo
Your Phone as a Personal Emergency Beacon: A Portable GSM Base Station to Locate Lost Persons
Munoz-Castaner, J., Counago Soto, P., Gil-Castineira, F., Gonzalez-Castano, F. J., Ballesteros, I., Di Giovanni, A., & Colodron Villar, P. (2015). IEEE Industrial Electronics Magazine, 9(4), 49-57.