1.

Conference Proceedings

Conference Proceedings
Spitzer,M.B. ; Aquilino,P.D. ; Olson,M.H. ; McClelland,R.W. ; Rensing,N.M.
Pub. info.: Helmet- and head-mounted displays III : 13-14 April, 1998, Orlando, Florida.  pp.334-337,  1998.  Bellingham, Washington.  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 3362
2.

Conference Proceedings

Conference Proceedings
Spitzer,M.B. ; Aquilino,P.D. ; Olson,M.H. ; McCleiland,R.W. ; Rensing,N.M. ; Zavracky,P.M.
Pub. info.: Helmet- and Head-Mounted Displays IV.  pp.278-283,  1999.  Bellingham, Wash..  SPIE - The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 3689