Monica Bianchini Marco Gori Paolo Mazzoni Lorenzo Sarti Franco Scarselli Face Localization with Recursive Neural Networks. 99-105 http://dx.doi.org/10.1007/978-3-540-45216-4_10 2003 conf/wirn/2003 WIRN db/conf/wirn/wirn2003.html#BianchiniGMSS03