@book{27697,
	author = {Barkstrom, Bruce, ed.},
	title = {Long-Term Monitoring of the Earth's Radiation Budget},
	publisher = {SPIE},
	year = {1990},
	series = {Proceedings of SPIE; V. 1299},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1299}
}