1. E. Johnstone, A MIDI foot controller — The PodoBoard, in: 1991 International Computer Music Conference, San Francisco, 1991, pp. 123–126
2. R. Pinkston, et al., A touch sensitive dance floor/MIDI controller, in: 1995 International Computer Music Conference, San Francisco, 1995, pp. 224–225
3. J. Paradiso, et al., The magic carpet: Physical sensing for immersive environments, in: CHI ’97, Atlanta, Georgia, 1997, pp. 277–278
4. N. Griffith, M. Fernstrom, Litefoot — A floor space for recording dance and controlling media, in: 1998 International Computer Music Conference, Ann Arbor, Michigan, 1998, pp. 475–481
5. Robotic room: Its concept and realization;Morishita;Robotics and Automation,1998