Gerald Morrison Sriram Subramanian M. Sheelagh T. Carpendale Michael Haller Stacey D. Scott ACM International Conference on Interactive Tabletops and Surfaces, ITS 2009, Banff / Calgary, Alberta, Canada, November 23-25, 2009 ITS ACM 2009 978-1-60558-733-2 db/conf/tabletop/its2009.html