@book{25809,
	author = {Brown, Randall, ed.},
	title = {Helmet- and Head-Mounted Displays XI: Technologies and Applications},
	publisher = {SPIE},
	year = {2006},
	series = {Proceedings of SPIE; V. 6224},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6224}
}