Gregorij Kurillo Ruzena Bajcsy Klara Nahrstedt Oliver Kreylos Immersive 3D Environment for Remote Collaboration and Training of Physical Activities. 269-270 2008 VR http://dx.doi.org/10.1109/VR.2008.4480795 conf/vr/2008 db/conf/vr/vr2008.html#KurilloBNK08