Rash, C. Helmet- and Head-Mounted Displays IX: Technologies and Applications. SPIE Digital Library.
Chicago-viite (17. p.)Rash, Clarence. Helmet- and Head-Mounted Displays IX: Technologies and Applications. SPIE Digital Library.
MLA-viite (9. p.)Rash, Clarence. Helmet- and Head-Mounted Displays IX: Technologies and Applications. SPIE Digital Library.
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