@book{27811,
	author = {Schiff, Harold, ed.},
	title = {Measurement of Atmospheric Gases},
	publisher = {SPIE},
	year = {1991},
	series = {Proceedings of SPIE; V. 1433},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1433}
}