Traffic Sign Classification by Image Preprocessing and Neural Networks. - Raul Vicen-Bueno; Antonio García González; Elena Torijano Gordo; Roberto Gil-Pita; Manuel Rosa-Zurera (IWANN, 2007)

Intelligent Traffic Sign Classifiers. - Raúl Vicen Bueno; Elena Torijano Gordo; Antonio García González; Manuel Rosa-Zurera; Roberto Gil-Pita (Encyclopedia of Artificial Intelligence, 2009)