@book{31757,
	author = {Schäfer, Klaus, ed.},
	title = {Remote Sensing of Clouds and the Atmosphere VIII},
	publisher = {SPIE},
	year = {2004},
	series = {Proceedings of SPIE; V. 5235},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/5235}
}