@book{30067,
	author = {Kidger, Tina, ed.},
	title = {Optical Systems Design 2015: Illumination Optics IV},
	publisher = {SPIE},
	year = {2015},
	series = {Proceedings of SPIE; V. 9629},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9629}
}