@book{29506,
	author = {Wang, Yongtian, ed.},
	title = {Optical Design and Testing IV},
	publisher = {SPIE},
	year = {2010},
	series = {Proceedings of SPIE; V. 7849},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/7849}
}