@book{31719,
	author = {Owe, Manfred, ed.},
	title = {Remote Sensing for Agriculture, Ecosystems, and Hydrology IV},
	publisher = {SPIE},
	year = {2003},
	series = {Proceedings of SPIE; V. 4879},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/4879}
}