@book{33503,
	author = {Gage, Douglas, ed.},
	title = {Unmanned Systems Technology XIII},
	publisher = {SPIE},
	year = {2011},
	series = {Proceedings of SPIE; V. 8045},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8045}
}