@book{30062,
	author = {Chen, Philip, ed.},
	title = {Optical Systems Degradation, Contamination, and Stray Light: Effects, Measurements, and Control},
	publisher = {SPIE},
	year = {2004},
	series = {Proceedings of SPIE; V. 5526},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/5526}
}