J. Allen, G. Ferguson, and A. Stent. IUI '01: Proceedings of the 6th international conference on Intelligent user interfaces, page 1--8. New York, NY, USA, ACM, (2001)
J. Allen, G. Ferguson, and A. Stent. Proceedings of IUI '01: 6th International Conference on Intelligent User Interfaces, Santa Fe, NM, USA, page 1-8. (2001)