@book{32374,
	author = {Guo, Huadong, ed.},
	title = {Sixth International Symposium on Digital Earth: Data Processing and Applications},
	publisher = {SPIE},
	year = {2010},
	series = {Proceedings of SPIE; V. 7841},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/7841}
}