@book{27296,
	author = {Epstein, Richard, ed.},
	title = {Laser Refrigeration of Solids VI},
	publisher = {SPIE},
	year = {2013},
	series = {Proceedings of SPIE; V. 8638},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8638}
}