@book{29966,
	author = {Beiser, Leo, ed.},
	title = {Optical Scanning Systems: Design and Applications},
	publisher = {SPIE},
	year = {1997},
	series = {Proceedings of SPIE; V. 3131},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3131}
}