@book{30148,
	author = {Miller, Ernie, ed.},
	title = {Optical Tracking Systems},
	publisher = {SPIE},
	year = {1971},
	series = {Proceedings of SPIE; V. 0023},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0023}
}