@book{31693,
	author = {Gao, Wei, ed.},
	title = {Remote Sensing and Modeling of Ecosystems for Sustainability IV},
	publisher = {SPIE},
	year = {2007},
	series = {Proceedings of SPIE; V. 6679},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6679}
}