@book{24417,
	author = {Heaney, James, ed.},
	title = {Cryogenic Optical Systems and Instruments VI},
	publisher = {SPIE},
	year = {1994},
	series = {Proceedings of SPIE; V. 2227},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/2227}
}