@book{24081,
	author = {Guenther, Bruce, ed.},
	title = {Calibration of Passive Remote Observing Optical and Microwave Instrumentation},
	publisher = {SPIE},
	year = {1991},
	series = {Proceedings of SPIE; V. 1493},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1493}
}