@book{29726,
	author = {Zamboni, Roberto, ed.},
	title = {Optical Materials and Biomaterials in Security and Defence Systems Technology IX},
	publisher = {SPIE},
	year = {2012},
	series = {Proceedings of SPIE; V. 8545},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8545}
}