@book{32619,
	author = {Mackenzie, John, ed.},
	title = {Sol-Gel Optics II},
	publisher = {SPIE},
	year = {1992},
	series = {Proceedings of SPIE; V. 1758},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1758}
}