@book{24680,
	author = {Cindrich, Ivan, ed.},
	title = {Diffractive and Holographic Device Technologies and Applications IV},
	publisher = {SPIE},
	year = {1997},
	series = {Proceedings of SPIE; V. 3010},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3010}
}