Giovanni Frattini Francesco Gaudino Vladimiro Scotto di Carlo Mobile multimodal applications on mass-market devices: experiences. 89-93 2007 conf/dexaw/2007 DEXA Workshops http://doi.ieeecomputersociety.org/10.1109/DEXA.2007.103 db/conf/dexaw/dexaw2007.html#FrattiniGC07