@book{27640,
	author = {Efron, Uzi, ed.},
	title = {Liquid Crystal Materials, Devices, and Applications II},
	publisher = {SPIE},
	year = {1993},
	series = {Proceedings of SPIE; V. 1911},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1911}
}