@book{31094,
	author = {Ye, Peixian, ed.},
	title = {Photorefractive Materials: Phenomena and Related Applications II},
	publisher = {SPIE},
	year = {1998},
	series = {Proceedings of SPIE; V. 3554},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3554}
}