@book{30707,
	author = {Yonas, Gerold, ed.},
	title = {Peace and Wartime Applications and Technical Issues for Unattended Ground Sensors},
	publisher = {SPIE},
	year = {1997},
	series = {Proceedings of SPIE; V. 3081},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3081}
}