@book{25632,
	author = {Smiley, Vern, ed.},
	title = {Gas, Metal Vapor, and Free-Electron Lasers and Applications},
	publisher = {SPIE},
	year = {1994},
	series = {Proceedings of SPIE; V. 2118},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/2118}
}