@book{22747,
	author = {Grosmann, Michel, ed.},
	title = {2nd European Congress on Optics Applied to Metrology},
	publisher = {SPIE},
	year = {1980},
	series = {Proceedings of SPIE; V. 0210},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0210}
}