Abdullah Al Mahmud Omar Mubin Johanna Renny Octavia Suleman Shahid LeeChin Yeo Panos Markopoulos Jean-Bernard Martens Dima Aliakseyeu 44-51 2007 Tabletop http://doi.ieeecomputersociety.org/10.1109/TABLETOP.2007.1 conf/tabletop/2007 db/conf/tabletop/tabletop2007.html#MahmudMOSYMMA07