@book{29252,
	author = {Gregory, G. Groot, ed.},
	title = {Novel Optical Systems Design and Optimization XV},
	publisher = {SPIE},
	year = {2012},
	series = {Proceedings of SPIE; V. 8487},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8487}
}