@book{33459,
	author = {Carapezza, Edward, ed.},
	title = {Unattended Ground, Sea, and Air Sensor Technologies and Applications IX},
	publisher = {SPIE},
	year = {2007},
	series = {Proceedings of SPIE; V. 6562},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6562}
}