S. Xu, H. Jiang, and F. Lau. IUI '09: Proceedingsc of the 13th international conference on Intelligent user interfaces, page 7--16. New York, NY, USA, ACM, (2008)
S. Tucker, and S. Whittaker. Proceedings of the 13th international conference on Intelligent user interfaces, page 37--46. New York, NY, USA, ACM, (2009)
S. Xu, H. Jiang, and F. Lau. IUI '09: Proceedingsc of the 13th international conference on Intelligent user interfaces, page 7--16. New York, NY, USA, ACM, (2008)
S. Tucker, and S. Whittaker. IUI '09: Proceedingsc of the 13th international conference on Intelligent user interfaces, page 37--46. New York, NY, USA, ACM, (2008)