@book{26518,
	author = {Sanmann, E., ed.},
	title = {Infrared Systems},
	publisher = {SPIE},
	year = {1980},
	series = {Proceedings of SPIE; V. 0256},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0256}
}