Proceedings of the 27th International Conference on Human Factors in Computing Systems, CHI 2009, Extended Abstracts Volume, Boston, MA, USA, April 4-9, 2009

Dan R. Olsen Jr. Richard B. Arthur Ken Hinckley Meredith Ringel Morris Scott E. Hudson Saul Greenberg Proceedings of the 27th International Conference on Human Factors in Computing Systems, CHI 2009, Extended Abstracts Volume, Boston, MA, USA, April 4-9, 2009 978-1-60558-247-4 CHI Extended Abstracts ACM 2009 db/conf/chi/chi2009a.html