@book{22644,
	author = {Zhang, CunLin, ed.},
	title = {2009 International Conference on Optical Instruments and Technology: Optoelectronic Information Security},
	publisher = {SPIE},
	year = {2009},
	series = {Proceedings of SPIE; V. 7512},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/7512}
}