@book{28477,
	author = {Chun, Wendell, ed.},
	title = {Mobile Robots IV},
	publisher = {SPIE},
	year = {1990},
	series = {Proceedings of SPIE; V. 1195},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1195}
}