Siltanen, S., Woodward, C., Valli, S., Honkamaa, P., Rauber, A., Frank, J., Lidy, T., & Neumayer, R. (2008). Natural/ Novel User Interfaces for Mobile Devices. In Multimodal Processing and Interaction - Audio, Video, Text. Springer. http://hdl.handle.net/20.500.12708/26205