@book{31744,
	author = {Michel, Ulrich, ed.},
	title = {Remote Sensing for Environmental Monitoring, GIS Applications, and Geology IX},
	publisher = {SPIE},
	year = {2009},
	series = {Proceedings of SPIE; V. 7478},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/7478}
}