@book{25803,
	author = {Rash, Clarence, ed.},
	title = {Helmet- and Head-Mounted Displays IX: Technologies and Applications},
	publisher = {SPIE},
	year = {2004},
	series = {Proceedings of SPIE; V. 5442},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/5442}
}