Vijay Pawar Anthony Steed Evaluating the Influence of Haptic Force-Feedback on 3D Selection Tasks using Natural Egocentric Gestures. 11-18 2009 VR http://dx.doi.org/10.1109/VR.2009.4810992 conf/vr/2009 db/conf/vr/vr2009.html#PawarS09