@book{25172,
	author = {Carleer, Michel, ed.},
	title = {Environmental Sensing and Applications},
	publisher = {SPIE},
	year = {1999},
	series = {Proceedings of SPIE; V. 3821},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3821}
}