@book{29505,
	author = {Wang, Yongtian, ed.},
	title = {Optical Design and Testing III},
	publisher = {SPIE},
	year = {2007},
	series = {Proceedings of SPIE; V. 6834},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6834}
}