Wayne Piekarski Ben Avery Bruce H. Thomas Pierre Malbezin Integrated Head and Hand Tracking for Indoor and Outdoor Augmented Reality. 11-18 2004 conf/vr/2004 VR http://doi.ieeecomputersociety.org/10.1109/VR.2004.45 db/conf/vr/vr2004.html#PiekarskiATM04