@book{33516,
	author = {Carapezza, Edward, ed.},
	title = {Unmanned/Unattended Sensors and Sensor Networks IV},
	publisher = {SPIE},
	year = {2007},
	series = {Proceedings of SPIE; V. 6736},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6736}
}