Frank Steinicke Timo Ropinski Gerd Bruder Klaus Hinrichs Harald Frenz Markus Lappe A Universal Virtual Locomotion System: Supporting Generic Redirected Walking and Dynamic Passive Haptics within Legacy 3D Graphics Applications. 291-292 2008 VR http://dx.doi.org/10.1109/VR.2008.4480806 conf/vr/2008 db/conf/vr/vr2008.html#SteinickeRBHFL08