http://www.evl.uic.edu/pape/CAVE/prog/CAVEGuide.html#library.basicfunctions
http://zx81.ncsa.uiuc.edu/tmp/audio/
http://cage.ncsa.uiuc.edu/adg/VSS/doc/dummies/
http://niri.ncsa.uiuc.edu/virdir
http://virdir.ncsa.uiuc.edu/virdir/


for glut pages - 
/usr/poeple/bourd/GLUT/opengl_for_x/glut/doc/
   then open glut_spec.ps by typing "ghostview" and select that file to open.