@book{31097,
	author = {Andrews, Mark, ed.},
	title = {Photosensitive Optical Materials and Devices II},
	publisher = {SPIE},
	year = {1998},
	series = {Proceedings of SPIE; V. 3282},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3282}
}