@book{33121,
	author = {Creath, Kathy, ed.},
	title = {The Nature of Light: Light in Nature},
	publisher = {SPIE},
	year = {2006},
	series = {Proceedings of SPIE; V. 6285},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6285}
}