Juan Jesús García Jesús Ureña Álvaro Hernández Manuel Mazo José Antonio Jiménez Fernando J. Álvarez Carlos De Marziani Ana Jiménez Ma Jesús Díaz Cristina Losada Enrique Garcia Efficient Multisensory Barrier for Obstacle Detection on Railways. 702-713 2010 11 IEEE Transactions on Intelligent Transportation Systems 3 http://dx.doi.org/10.1109/TITS.2010.2052101 db/journals/tits/tits11.html#GarciaUHMJAMJDLG10