@book{26385,
	author = {El-Hakim, Sabry, ed.},
	title = {Industrial Vision Metrology},
	publisher = {SPIE},
	year = {1991},
	series = {Proceedings of SPIE; V. 1526},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1526}
}