@book{32813,
	author = {Bolas, Mark, ed.},
	title = {Stereoscopic Displays and Virtual Reality Systems VI},
	publisher = {SPIE},
	year = {1999},
	series = {Proceedings of SPIE; V. 3639},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3639}
}