@inproceedingsMüller_Schäfer_Bleul_2004, place=Waikoloa, HI, USA, title=Interactive Multimodal User Interfaces for Mobile Devices, DOI=10.1109/HICSS.2004.1265674, booktitle=Proceedings of HICCS-37, author=Müller, Wolfgang and Schäfer, Robbie and Bleul, Steffen, year=2004