1.

Conference Proceedings

Conference Proceedings
Spitzer,M.B. ; Zavracky,P.M. ; Rensing,N.M. ; Crawford,J. ; Hockman,A.H. ; Aquilino,P.D. ; Girolamo,H.J.
Pub. info.: Helmet- and head-mounted displays VI : 16-17 April 2001, Orlando, USA.  pp.71-76,  2001.  Bellingham, Wash..  SPIE-The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4361
2.

Conference Proceedings

Conference Proceedings
Spitzer,M.B. ; Zavracky,P.M. ; Holzel,T. ; Rensing,N.M. ; Hockman,A.H. ; Aquilino,P.D. ; McClelland,R.W. ; Zardeskas,J.
Pub. info.: Helmet- and Head-Mounted Displays V.  pp.27-32,  2000.  Bellingham, Wash..  SPIE - The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4021