@book{25801,
	author = {Lewandowski, Ronald, ed.},
	title = {Helmet- and Head-Mounted Displays III},
	publisher = {SPIE},
	year = {1998},
	series = {Proceedings of SPIE; V. 3362},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3362}
}