@book{33290,
	author = {Harding, Kevin, ed.},
	title = {Three-Dimensional Imaging, Optical Metrology, and Inspection IV},
	publisher = {SPIE},
	year = {1998},
	series = {Proceedings of SPIE; V. 3520},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3520}
}