http://tycho.usno.navy.mil/vphase.html
Virtual Reality Moon Phase.
http://www.lboro.ac.uk/departments/hu/groups/viserg/9604all.htm
The Visual Effects of Immersion in Four Virtual Environments
Virtual reality agel studios midtown
http://www.ime.gr/fhw/en/projects/vr/
Virual reality in Greece
http://www.cs.yorku.ca/~vgrlab/projects/vrproj.html
Virtual Reality Projects
http://kb.hitl.washington.edu/virtual-worlds/EVE/index.html
The Encyclopedia of Virtual Environments
http://www.thevrstore.com/industrial.htm
Virtual reality source
http://vr-atlantis.com/vr_systems_guide.html
Atlanis VR
Memetm Real VR for the Net!